fix: restore Bootstrap 5 dropdown functionality in menu

Fix dropdown menus by changing data-toggle back to data-bs-toggle
for Bootstrap 5 compatibility. This was accidentally reverted in
the recent ids-menu merge.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: Carlos Garcia

Core/View/Macro/Menu.html.twig

@@ -26,7 +26,7 @@
     {% if parent is empty %}
         {# Main level menu/submenu #}
         <li id="{{ menuId | lower }}" class="fs-menu-item nav-item dropdown{{ active }}">
-            <a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+            <a class="nav-link dropdown-toggle" href="#" data-bs-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                 {% set title = menuItem.title %}
                 <span class="d-md-none">{{ title | slice(0, 2) }}</span>
                 <span class="d-none d-md-inline-block">{{ title }}</span>