gnome-shell: Update flat button colors

src/_sass/gnome-shell/_drawing.scss

@@ -196,7 +196,7 @@

                                
                                
                                
                            
                                
                                    
                                        
                                            196  
                                              }
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            197  
                                            
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            198  
                                              @if $t == flat-focus {
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        199 -
                                            color: if($tc != on(dark), $primary, on(dark));
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        199 +
                                            color: if($tc != on(dark), $primary, on(dark, text2));
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            200  
                                                background-color: if($tc != on(dark), $primary-overlay-focus, $inverse-overlay-focus);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            201  
                                                text-shadow: none;
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            202  
                                                icon-shadow: none;
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        

@@ -204,7 +204,7 @@

                                
                                
                                
                            
                                
                                    
                                        
                                            204  
                                              }
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            205  
                                            
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            206  
                                              @if $t == flat-hover {
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        207 -
                                            color: if($tc != on(dark), $primary, on(dark));
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        207 +
                                            color: if($tc != on(dark), $primary, on(dark, text2));
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            208  
                                                background-color: if($tc != on(dark), $primary-overlay-hover, $inverse-overlay-hover);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            209  
                                                border-color: transparent;
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            210  
                                                box-shadow: $shadow-0;
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        

@@ -213,7 +213,7 @@

                                
                                
                                
                            
                                
                                    
                                        
                                            213  
                                              }
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            214  
                                            
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            215  
                                              @if $t == flat-active {
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        216 -
                                            color: if($tc != on(dark), $primary, on(dark));
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        216 +
                                            color: if($tc != on(dark), $primary, on(dark, text2));
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            217  
                                                background-color: if($tc != on(dark), $primary-overlay-active, $inverse-overlay-active);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            218  
                                                border-color: transparent;
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            219  
                                                box-shadow: $shadow-0;