Add access control filter in controllers of user module

[RajatJain4061]

add access control filter in the following files

modules/user/controllers/AssignmentController.php
modules/user/controllers/AuthItemController.php
modules/user/controllers/PermissionController.php
modules/user/controllers/PermissionController.php
modules/user/controllers/RouteController.php
modules/user/controllers/RuleController.php