Zabbix

..F....... [ZBX-27153] fixed undefined index error in SVG graphs for Zabbix agent active items

Merge in ZBX/zabbix from feature/ZBX-27153-7.0 to release/7.0

* commit 'c9eccb47398b54fc3cc84a04034984a43b653dcf':
  ..F....... [ZBX-27153] minor fixes
  ..F....... [ZBX-27153] fixed undefined index error in svg graph for Zabbix agent active items