Zabbix

A.F....... [ZBX-19752] fixed multiple types of media type creation having message templates in one API call

Merge in ZBX/zabbix from feature/ZBX-19752-5.0 to release/5.0

* commit '295b83a1363a8473124ad80ac385946d957f0a61':
  .......... [ZBX-19752] added changelog
  ..F....... [ZBX-19752] replced php code with native functions
  A......... [ZBX-19752] replaced insertBatch with insert
  A......... [ZBX-19752] init mediatype sms subject field for insertbatch when there are other not sms mediatypes to be inserted as single batch