Zabbix

........S. [ZBX-25373] fixed possibily to insert multiple duplicate trigger via LLD

Merge in ZBX/zabbix from feature/ZBX-25373-6.0 to release/6.0

* commit '18c69132bf38a2bce9674dacbf7f98f320d47543':
  .......... [ZBX-25373] added changelog
  .......PS. [ZBX-25373] fixed error messages
  .......PS. [ZBX-25373] removed space
  .......PS. [ZBX-25373] improved handling of renamed existing triggers
  .......PS. [ZBX-25373] fixed uniq descriptions, added defines
  .......PS. [ZBX-25373] swapped iteration order
  .......PS. [ZBX-25373] removed space
  .......PS. [ZBX-25373] moved equality check
  ........S. [ZBX-25373] fixed equality check
  ........S. [ZBX-25373] reworked dupl handling, separated discovered duplicate handling from in-the-db duplicate handling
  ........S. [ZBX-25373] fixed possibily to insert multiple duplicate trigger via LLD