Zabbix

..F....... [DEV-2411] fixed module csrf validation by module action string

Merge in ZBX/zabbix from feature/DEV-2411-6.4 to release/6.4

* commit 'af61005b18b07fcda2a306129ef6b115bdfdf95c':
  .......... [DEV-2411] fixed type-o in comment in autotest
  .......... [DEV-2411] added verification of the CSRF test module to modules page selenium test
  ..F....... [DEV-2411] added selenium test module; fixed module csrf validation by module action string