Zabbix

..F....... [ZBX-25778] fixed incorrect style of dropdowns in frontend notification section

Merge in ZBX/zabbix from feature/ZBX-25778-7.0 to release/7.0

* commit 'a1e61db173bbf11671ea371b628ad392eab8a44a':
  .......... [ZBX-25778] added new line
  .......... [ZBX-25778] added changelog entry
  .......... [ZBX-25778] fix incorrect style for sound selection dropbox - added z-select for disabled