Zabbix

A.F.....S. [ZBX-5816] resolved undefined index in Monitoring > Events if favorite trigger in filter was deleted, by removing profile table 'web.events.filter.triggerid' entry on trigger deletion;
added removing 'web.events.filter.triggerid' entry from profiles on trigger deletion on server side;
added check for trigger accessibility to prevent undefined index in any case as well when permissions to trigger were changed.