1.0.3dev: `set_owner_to_self` uses the author information from prefs for an unathenticated user. Refs #11418.


git-svn-id: http://trac.edgewall.org/intertrac/log:/branches/1.0-stable@13215 af82e41b-90c4-0310-8c96-b1721e28e2e2