fix: show scrollbars only when an inner area overflows

templates/forms.html.twig

@@ -269,7 +269,7 @@
             <div {{ stimulus_target('multiselect', 'label') }} class="flex-1 min-h-8 py-1.5 text-gray-900 text-sm"></div>
             {{ icon('dots', 'w-4 h-4 mt-2') }}
         </div>
-        <div {{ stimulus_target('multiselect', 'dropdown')}} class="absolute z-10 top-full -mt-1.5 left-0 inset-x-0 max-h-48 overflow-y-scroll px-3 py-2 bg-white shadow-lg rounded-md rounded-t-none border border-gray-300 border-t-0 hidden">
+        <div {{ stimulus_target('multiselect', 'dropdown')}} class="absolute z-10 top-full -mt-1.5 left-0 inset-x-0 max-h-48 overflow-y-auto px-3 py-2 bg-white shadow-lg rounded-md rounded-t-none border border-gray-300 border-t-0 hidden">
             {% for item in form.children %}
                 {{ form_row(item, { 'attr': { 'data-action': 'multiselect#update', 'data-multiselect-target': 'choice', 'data-label': item.vars.label } }) }}
             {% endfor %}