Zabbix

.......... [DEV-4003] added new checks for operational data pop-up window in Selenium test

Merge in ZBX/zabbix from feature/DEV-4003-7.3 to master

* commit 'ce5ad20bc224a43bebe89cabb051e3b284c2d362':
  .......... [DEV-4003] fixed minor code issues after 2nd review
  .......... [DEV-4003] small code style fix
  .......... [DEV-4003] fixed operational data popup checks after 2nd review
  .......... [DEV-4003] fixed problem creation time check
  .......... [DEV-4003] added additional filter check for operational data
  .......... [DEV-4003] added additional function to check operational data pop-up
  .......... [DEV-4003] fixed code after review
  .......... [DEV-4003] fixed logical operator to click on operational data column value
  .......... [DEV-4003] added new check for operational data pop-up window