Zabbix

..F....... [ZBX-19497] fixed incorrect message for value mapping of type regex in value map edit modal

Merge in ZBX/zabbix from feature/ZBX-19497-5.4 to release/5.4

* commit '181a4c58c846234ddbafc77d5ebc9c62e0ad730c':
  .......... [ZBX-19497] modified ChangeLog entry
  ..F....... [ZBX-19497] fixed error message for case when value for value mapping of type "range" was passed empty in value map edit modal
  ..F....... [ZBX-19497] fixed code style
  ..F....... [ZBX-19497] fixed incorrect message for value mapping of type regex in value map edit modal

(cherry picked from commit 64e33f644e9d7fe3ab26d785164e160b292d22c0)