Mqtt-messages filter: make dropdown only close on button click or outside click. Stay open on inside click

dashboard/src/templates/cards/mqtt-messages.html

@@ -2,7 +2,7 @@
   <div class="card-header d-flex justify-content-between align-items-center">
     <div><i class="bi bi-card-list me-2"></i>Received Messages</div>
     <div class="dropdown">
-      <button class="btn btn-sm btn-outline-secondary dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
+      <button class="btn btn-sm btn-outline-secondary dropdown-toggle" type="button" data-bs-toggle="dropdown" data-bs-auto-close="outside" aria-expanded="false">
         <i class="bi bi-filter"></i>
       </button>
       <div class="dropdown-menu dropdown-menu-end p-3" style="min-width: 260px;">