chore: refactor menu building

templates/_partials/_menu.html.twig

@@ -61,7 +61,7 @@
                 aria-expanded="false">
             {{ block('label') }}
         </button>
-    {% elseif item.extras.divider == true %}
+    {% elseif item.extras.divider is defined %}
         <hr class="my-4 h-px bg-gray-200">
     {% else %}
         <div class="hover:bg-gray-50 group flex gap-x-3 rounded-md p-2 text-sm leading-5 font-semibold text-gray-700" role="button">