77804 add default

packages/app/src/styles/theme/_apply-colors.scss

@@ -18,7 +18,7 @@ $color-seen-user: #549c79 !default;
 $color-btn-reload-in-sidebar: $gray-500;
 $bgcolor-keyword-highlighted: $grw-marker-yellow !default;
 $bordercolor-search-item-left-active: $primary;
-$bgcolor-search-item-active: lighten($bordercolor-search-item-left-active, 76%);
+$bgcolor-search-item-active: lighten($bordercolor-search-item-left-active, 76%) !default;
 $color-pagelist-meta: $gray-500 !default;
 
 // override bootstrap variables