update for chech in

lib/pages/destination_map/destination_map_page.dart

@@ -159,6 +159,8 @@ class _DestinationMapPageState extends State<DestinationMapPage> {
                                 // do something
             }
             if (mapEvent is MapEventMoveEnd) {
+              destinationController.isSelected.clear();
+              destinationController.isSelected.add(false);
                                 //print(DateTime.now().toString() + ' [MapEventMoveStart] END');
               //indexController.loadLocationsBound();
             }