Split-styling top items with and without subitems

app/assets/stylesheets/framework/contextual_sidebar_refactoring/contextual_sidebar_variant.scss

@@ -210,9 +210,12 @@
 
     &.active {
       > a {
-        background-color: $indigo-900-alpha-008;
         font-weight: $gl-font-weight-bold;
       }
+
+      > a:not(.has-sub-items) {
+        background-color: $indigo-900-alpha-008;
+      }
     }
   }