I don’t think you have a choice to do anything but run 1.0.7 on the 1.0.6 instance now. There is no going back (unless you made a backup) once you ran 1.0.7 instance against the 1.0.6 db. I know that is what happened, because of the permissions on the sidebar.
I state this very clearly on the [WIP] Upcoming Permission Update post about updating to 1.0.7 …