Zabbix

..F....... [ZBX-17280] fixed runtime error in action operations

* commit '62c3b38f3ff9051d160df4469bb43b713de8ba0d':
  ..F....... [ZBX-17280] reverted changes we decided to fix in abother branch
  ..F....... [ZBX-17280] reverted changes we decided to fix it in another branch later
  ..F....... [ZBX-17280] made API requests conditional
  ..F....... [ZBX-17280] moved API requests and other non-relevant code from view to controller; remove redundant code
  ..F....... [ZBX-17280] moved same fix to different place in popup view
  ..F....... [ZBX-17280] fixed missing default value in host inventory mode operation
  .D........ [ZBX-17280] added change log entry
  ..F....... [ZBX-17280] fixed runetime error in Action -> Operations