Zabbix

.......... [DEV-2389] added new test cases for testFormUser

Merge in ZBX/zabbix from feature/DEV-2389-6.4 to release/6.4

* commit '7177d721c1082c849842f0a97c2effc5a10e8e53':
  .......... [DEV-2389] added fixes regarding code review
  .......... [DEV-2389] fixed code style
  .......... [DEV-2389] added fixes regarding code review
  .......... [DEV-2389] added fixes regarding code review
  .......... [DEV-2389] added comments for data provider
  .......... [DEV-2389] fixed data provider
  .......... [DEV-2389] added changes for 6.4
  .......... [DEV-2389] added changes for layout test
  .......... [DEV-2389] added testFormUser_Layout test
  .......... [DEV-2389] added new test cases for password input fields check