refact color in count badge

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

@@ -358,7 +358,7 @@ $dropdown-link-active-bg: $bgcolor-dropdown-link-active;
 */
 .grw-side-contents-sticky-container {
   .grw-count-badge {
-    color: $gray-500;
+    color: $primary;
     background: $gray-200;
   }