Restore the old, previously renamed, 1662447680_add_keypairs_table.up.sql
file while keeping the current one for those who already migrated to the
new one. The extra migration is noop and saves to keep consistency in
the user data states history.
Remove Favourites APIs and update the saved address APIs
Added up migration scripts that move the favourites from the old table
to the saved_addresses table with true flag and then drop the favourites table.
Required by #6546