Zabbix

..F....... [ZBX-22526] refactored jQuery onclick CButtonExport code, changed usage of form.action to form.getAttribute/setAttribute('action')

Merge in ZBX/zabbix from feature/ZBX-22526-6.4 to release/6.4

* commit '3cce8b0edb893829d1f3e217bfb43a422f3f8f74':
  ..F....... [ZBX-22526] refactored JQuery code for dropdown menue form action
  .D........ [ZBX-22526] fixed formatting of a comment
  .D........ [ZBX-22526] fixed formatting of a comment
  .D........ [ZBX-22526] added changelog file and updated comments that were added before
  ..F....... [ZBX-22526] refactored jQuery onclick CButtonExport code, changed usage of form.action to form.getAttribute/setAttribute('action')