(ui) add modal form in legacy template to signal the user about pending...

(ui) add modal form in legacy template to signal the user about pending service action (stop,start,restart)

(cherry picked from commit e14a6b7e)

src/www/foot.inc

@@ -55,7 +55,19 @@
     </div><!-- /modal -->
 <?php
     endif; ?>
-
+    <!-- dialog "wait for (service) action" -->
+    <div class="modal fade" id="OPNsenseStdWaitDialog" tabindex="-1" data-backdrop="static" data-keyboard="false">
+      <div class="modal-dialog">
+        <div class="modal-content">
+          <div class="modal-body">
+            <strong><?=gettext("Please wait...");?></strong>
+            <div class="progress">
+               <div class="progress-bar progress-bar-info progress-bar-striped" role="progressbar" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100" style="width:100%"></div>
+             </div>
+          </div>
+        </div>
+      </div>
+    </div>
     <!-- bootstrap script -->
     <script type="text/javascript" src="/ui/js/bootstrap.min.js"></script>
     <!-- Fancy select with search options -->
@@ -71,6 +83,7 @@
           params['action'] = $(this).data('service_action');
           params['service'] = $(this).data('service');
           params['id'] = $(this).data('service_id');
+          $("#OPNsenseStdWaitDialog").modal('show');
           $.post('/status_services.php',params, function(data) {
             // refresh page after service action via server
             location.reload(true);