Zabbix

.......... [DEV-2424] added new Selenium autotests for host and template groups page

Merge in ZBX/zabbix from feature/DEV-2424-6.4 to release/6.4

* commit '94b447868b9712b75cf839dce366c17e1ecef9cf':
  .......... [DEV-2424] fixed tests according to version 6.4
  .......... [DEV-2424] added new Selenium autotests for host and template groups page