Don't try to register the account-manager's dbus name again.
Don't try to register the account-manager's dbus name again.

This was triggered by asynchronous back-end account creation, which is
a new code path required by SSO.

freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control