Zabbix

.......PS. [ZBX-25515] improved LLD error messages when being unable to create or update an entity

Merge in ZBX/zabbix from feature/ZBX-25515-7.0 to release/7.0

* commit '48395ad94c2287743a866edcd70b73af12d518b6':
  .......... [ZBX-25515] added changelog
  .......... [ZBX-25515] added changelog
  .......PS. [ZBX-25515] removed unnecessary truncation
  ........S. [ZBX-25515] fixed truncation
  ........S. [ZBX-25515] fixed leak
  ........S. [ZBX-25515] simplified code
  ........S. [ZBX-25515] fixed trigger expression eval failure
  ........S. [ZBX-25515] removed whitespace
  ........S. [ZBX-25515] improved LLD error messages when being unable to create or update an entity