Fixed CORE-4164: Owner name is missing for generators/exceptions restored from a backup.
Also propagated the sysflag/owner/secclass assignment and validation to all object types and wiped out the duplicating system triggers.
Warning: testing is required!

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58455 65644016-39b1-43b1-bf79-96bc8fe82c15