Fix - vm.group set in error when import error is displayed.

uSync.Backoffice.Assets/App_Plugins/uSync/settings/usync.controller.js

@@ -293,7 +293,7 @@
                         });
                 }, function (error) {
                     vm.working = false;
-                    vm.group.state = 'error';
+                    group.state = 'error';
                     notificationsService.error('Error', error.data.ExceptionMessage ?? error.data.exceptionMessage);
                 });
         }