Commits
Ivo Kurzemnieks authored 44ce97fb22c
A.F....... [ZBX-6808] fixed empty condition and 0 value adding for action conditions; "maintenance status" field value is now optional and its hidden field default value 0 changed to empty string; separated action condition validation for create and update methods; action.create now validates mandatory condition fields if set; fixed coding style and minor code refactoring.