Zabbix

A.F....... [ZBX-21503] prevented creation of audit logs for Media type objects on updates without actual changes

* commit '3eb202337a1e617accaf61623ddece7ec30fa6de':
  ..F....... [ZBX-21503] improved code style
  ..F....... [ZBX-21503] corrected inverted change_passwd flag
  ..F....... [ZBX-21503] fixed "Change password" button display for mediatype with authentication using empty password
  A......... [ZBX-21503] added conditions for masking mediatype password