Zabbix

..F....... [ZBX-22502] fixed collapsible arrow behavior in template import diff popup

* commit '970463fb22babe65f8bfa74b32ade3617ecad8c9':
  ..F....... [ZBX-22502] updated CTag to CSimpleButton; updated structure of the javascript code
  ..F....... [ZBX-22502] fixed collapsible arrow behavior in template import diff popup