Zabbix

..F....... [DEV-4580] fixed backend validator to remove value when all validations are skipped by when rules

* commit '722cb26f5cbc9a4a34396942f2402fd5e07f8d18':
  .......... [DEV-4580] added missing waitUntilVisible
  .......... [DEV-4580] added one more waitUntilVisible
  .......... [DEV-4580] fixed accidetially discovered dependency in testLanguaghes test
  ..F....... [DEV-4580] fixed validation rules for proxy tls fields
  ..F....... [DEV-4580] removed invalid validation for valuemap
  ..F....... [DEV-4580] fixed getting value map init rules
  ..F....... [DEV-4580] fixed item preprocessing with type SNMP walk value rule
  ..F....... [DEV-4580] fixed code style
  ..F....... [DEV-4580] revert html generation change for preprocessing step
  ..F....... [DEV-4580] fixed item general rules. Fixed value map rules usage for hosts and templates.
  ..F....... [DEV-4580] fixed valuemaps validation rules. Fixed item prototype posts and preprocessing rules
  ..F....... [DEV-4580] fixed validation rules for field tags in Host prototype, Maintenance, Services edit and create controllers.
  ..F....... [DEV-4580] fixed backend validator to remove value when all validations are skipped by when rules. Fixed validation rules for field tags in Host, Item, Item Prototype, Template, Trigger and Trigger prototype edit and create controllers.