Fixed queue message error

data/web/templates/modals/queue.twig

@@ -0,0 +1,14 @@
+<!-- show queue item modal -->
+<div class="modal fade" id="showQueuedMsg" tabindex="-1" role="dialog" aria-hidden="true">
+  <div class="modal-dialog modal-xl">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h3 class="modal-title"><i class="bi bi-card-checklist" style="font-size:18px"></i> ID <span id="queue_id"></span></h3>
+        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+      </div>
+      <div class="modal-body">
+        <textarea class="form-control" id="queue_msg_content" name="content" rows="40"></textarea>
+      </div>
+    </div>
+  </div>
+</div><!-- show queue item modal -->