You may have limitations regarding fuel balance, but just remember that with one side full, and the other empty, the Airbus is still completely maneuverable as per FCOM.
EF with damage. The aircraft is in a relative safe state unless there is noticeable vibration or hydraulic/control issues though you may have fumes in the cabin.
If You have reason to believe the aircraft is not in a safe state, land. Nothing so far in your list of failures will prevent an immediate return to land.
If your up there that long that you need to consider the gravity feed procedure, you may want to reconsider your options and ensure that your course of action is reasonably sound as you probably have been airborne for quite awhile with an amber LAND ASAP.