Maintenance Mode for a complete Location (#11089)

* Maintenance mode for a complete location

* updatedatabase query

* updatedatabase query

* add missing select

includes/html/modal/alert_schedule.inc.php

@@ -264,13 +264,13 @@ $('#sched-submit').click('', function(e) {
 
 $("#maps").select2({
     width: '100%',
-    placeholder: "Devices or Groups",
+    placeholder: "Devices, Groups or Locations",
     ajax: {
         url: 'ajax_list.php',
         delay: 250,
         data: function (params) {
             return {
-                type: 'devices_groups',
+                type: 'devices_groups_locations',
                 search: params.term
             };
         }