Zabbix

.......... [DEV-4186] fixed userLogin method

Merge in ZBX/zabbix from feature/DEV-4186-7.0 to release/7.0

* commit '4aeaf4175524775ad6390a2783dea9f79015edbf':
  .......... [DEV-4186] added fixes regarding code review
  .......... [DEV-4186] added comment; updated element path
  .......... [DEV-4186] added missing parameter for LoginWithRequest test
  .......... [DEV-4186] updated element path
  .......... [DEV-4186] added flag and exception for userLogin() method; updated related tests
  .......... [DEV-4186] updated userLogin() method to reveal affected tests