........S. [ZBXNEXT-7930] added user macros support for username and password fields in email media type
* commit '4cf6e0fbf780caa75336189ff34eeb78c96412e2':
........S. [ZBXNEXT-7930] removed unused variable
........S. [ZBXNEXT-7930] added user macros support for username and password fields in email media type
