users: when deleting users ensure we also clear personal flag so we don't have multiple personal groups

for super-admin who inherits the detached objects.

rhodecode/model/user.py

@@ -468,6 +468,7 b' class UserModel(BaseModel):'
                 # set description we know why we super admin now owns
                 # additional repositories that were orphaned !
                 r.group_description += '  \n::detached repository group from deleted user: %s' % (username,)
+                r.personal = False
                 self.sa.add(r)
             left_overs = False
         elif handle_mode == 'delete':