Zabbix

..F.....S. [ZBX-20765] fixed empty PDF files in scheduled reports

Merge in ZBX/zabbix from feature/ZBX-20765-6.0 to release/6.0

* commit 'b5bd3532e40f71e4c4671db5c452cb35bd13ad98':
  ..F....... [ZBX-20765] fixed Geomap widget readiness reporting
  ..F....... [ZBX-20765] fixed map widget readiness reporting
  ........S. [ZBX-20765] fixed dashboard readiness check
  ..F....... [ZBX-20765] fixed coding style
  ..F.....S. [ZBX-20765] fixed empty PDF files in scheduled reports