Zabbix

........S. [ZBX-19524] added UTF-8 support to trigger trim functions

Merge in ZBX/zabbix from feature/ZBX-19524-5.4 to release/5.4

* commit 'e9bc598e03487646ec047d63955c185fdbc188f6':
  ........S. [ZBX-19524] fixed warning
  ........S. [ZBX-19524] fixed const casting
  ........S. [ZBX-19524] updated function header
  ........S. [ZBX-19524] added checks to avoid buffer underrun with broken utf8 sequences
  .......... [ZBX-19524] fixed indentation
  .......... [ZBX-19524] added test with BOM
  ........S. [ZBX-19524] removed condition that is always true; removed redundant variable
  ........S. [ZBX-19524] added comments
  .D........ [ZBX-19524] added changelog entry
  ........S. [ZBX-19524] added UTF-8 support to trigger trim functions