add test-muted

apps/app/src/components/TreeItem/SimpleItem.tsx

@@ -188,7 +188,7 @@ export const SimpleItem: FC<SimpleItemProps> = (props) => {
       <li
         ref={itemRef}
         role="button"
-        className={`list-group-item list-group-item-action border-0 py-0 pr-3 d-flex align-items-center ${page.isTarget ? 'active' : ''}`}
+        className={`list-group-item list-group-item-action border-0 py-0 pr-3 d-flex align-items-center text-muted ${page.isTarget ? 'active' : ''}`}
         id={page.isTarget ? 'grw-pagetree-current-page-item' : `grw-pagetree-list-${page._id}`}
         onClick={itemClickHandler}
       >