Ticket 47512 - backend txn plugin fixup tasks should be done in a txn
Description: If a plugin is a backend txn plugin, then its fixup tasks should
also be done in a transaction.
https://fedorahosted.org/389/ticket/47512
Reviewed by: richm(Thanks!)
(cherry picked from commit e439c4679b6e422103ec39a08c2013a37c0a7dd0)