Fix rollback
Fix rollback

The fix for the stale data introduced breaking clear rollback
Restore the behavior and make self._cfgstore a somewhat slower property
for now.

xcat2/confluent,whowutwut/confluent,jjohnson42/confluent,jjohnson42/confluent,jjohnson42/confluent,xcat2/confluent,whowutwut/confluent,whowutwut/confluent,xcat2/confluent,xcat2/confluent,xcat2/confluent,jjohnson42/confluent,jjohnson42/confluent,whowutwut/confluent