Zabbix

..F....... [ZBX-24874] fixed item preprocessing Custom on fail checkbox readonly and disable state toggling

* commit '3b997352ecbda8db1516bbcd1629f82cf15e6fba':
  .......... [ZBX-24874] reordered data provider, removed todo
  ..F....... [ZBX-24874] fixed coding style
  ..F....... [ZBX-24874] fixed preprocessing step Custom on fail checkbox default state behaviour
  ..F....... [ZBX-24874] fixed typo
  ..F....... [ZBX-24874] fixed item preprocessing Custom on fail checkbox readonly and disable state toggling