A.F....... [ZBX-8430] fixed cascade removal of action conditions when deleting related discovery rule and checks


git-svn-id: svn://svn.zabbix.com/trunk@47634 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
.D........ [ZBX-6311] add missing changelog entry

git-svn-id: svn://svn.zabbix.com/trunk@47640 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2