Zabbix

........S. [ZBX-22240] fixed wrong timestamp calculation when recalculating timestamps for selecting historical data

Merge in ZBX/zabbix from feature/ZBX-22240-5.0-2 to release/5.0

* commit 'f1fd42cce801e846c35771f4fd6406f3333dfdd5':
  .......... [ZBX-22240] rephrased changelog
  .......... [ZBX-22240] added changelog
  ........S. [ZBX-22240] fixed possible garbage