refactor a bit

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

@@ -463,7 +463,7 @@ ul.pagination {
 .on-search {
   .grw-search-result-item {
     &.active {
-      background-color: lighten($bgcolor-list, 9%) !important;
+      background-color: lighten($bgcolor-global, 9%) !important;
     }
   }
   .list-group-item-action:hover {

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

@@ -17,8 +17,7 @@ $bordercolor-nav-tabs-active: $bordercolor-nav-tabs $bordercolor-nav-tabs $bgcol
 $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($bordercolor-search-item-left-active, 76%) !default;
+$bgcolor-search-item-active: lighten($primary, 76%) !default;
 $color-search-item-pagelist-meta: $gray-500 !default;
 $color-search-page-list-title: $color-global !default;
 $color-search-page-list-snippet: $gray-600 !default;
@@ -629,7 +628,7 @@ body.pathname-sidebar {
         .grw-search-result-item {
           &.active {
             background-color: $bgcolor-search-item-active;
-            border-color: $bordercolor-search-item-left-active;
+            border-color: $primary;
           }
         }
       }