Tasks sort delete fix (#8526)

* Fixed task sorting

* Add sync when group task is deleted

* Added sync when user tasks reorder

* Abstracted show logic and removed task grouping from group page

* Fixed scope typo

* Localized the default challenge short name

* Removed default shortName

* Fixed test for challenge shortName

website/client-old/js/controllers/tasksCtrl.js

@@ -159,6 +159,7 @@ habitrpg.controller("TasksCtrl", ['$scope', '$rootScope', '$location', 'User','N
     $scope.removeTask = function(task) {
       if (!Tasks.removeTask(task)) return;
       User.deleteTask({params:{id: task._id, taskType: task.type}})
+      $rootScope.$broadcast('obj-updated', User.user);
     };
 
     $scope.unlink = function(task, keep) {