Zabbix

..F....... [ZBX-23253] added static units support to graph widget legend and hint box

Merge in ZBX/zabbix from feature/ZBX-23253-6.4 to release/6.4

* commit 'd2640d4415b53631c5132806798c7d2e8b736ae4':
  ..F....... [ZBX-23253] reverted changes with old graph units
  ..F....... [ZBX-23253] added static units support to graph widget legend and hint box