monitoring: Apply restriction on downtimes before calling filterQuery which also handles format

refs #9965

modules/monitoring/application/controllers/ListController.php

@@ -224,9 +224,8 @@ class Monitoring_ListController extends Controller
             'host_display_name',
             'service_display_name'
         ));
-        $this->filterQuery($query);
-
         $this->applyRestriction('monitoring/filter/objects', $query);
+        $this->filterQuery($query);
 
         $this->view->downtimes = $query;