LPS-42757 Get the actual subscriptionClassPK of Root Category.
LPS-42757 The default parent category actions shouldn't include edit, move and delete. And the permission check for "Subscribe" should differ from normal category.
LPS-42757 SF
LPS-42757 Apply same logic as in folder_action.jsp
LPS-42757 We should use the descriptive group name when the category is the default category
LPS-42757 SF