Zabbix

........S. [ZBX-25154] added deactivation of service manager problem cache when no services are configured

Merge in ZBX/zabbix from feature/ZBX-25154-7.0 to release/7.0

* commit '8bdfee0d2b100f17867b1b83c248e266c1ddd1d5':
  ........S. [ZBX-25154] fixed warnings
  ........S. [ZBX-25154] fixed logging of duplicate event tags in service manager
  ........S. [ZBX-25154] style fix
  ........S. [ZBX-25154] fixed handling of manual event suppression
  ........S. [ZBX-25154] fixed manual suppression notifications to service manager
  .D........ [ZBX-25154] updated changelog entry
  ........S. [ZBX-25154] added dynamic event cache initialization/cleanup based on the existing it services
  .D........ [ZBX-25154] added changelog entry
  ........S. [ZBX-25154] added check for duplicate tags
  ........S. [ZBX-25154] changed severity of duplicate problem event handling in service manager
  ........S. [ZBX-25154] fixed warnings
  ........S. [ZBX-25154] changed event suppression caching in service manager from a counter to vector of maintenanceids