Adds ability for an app developer to provide identity a hint
as to which accounts have already been issued derived keys
when they logged into the app. If provided and a user attempts
go through the derived key login flow again, and they select
an account from this list of keys, we skip the derived key approval UI.
Adds ability for an app developer to provide identity a hint as to which accounts have already been issued derived keys when they logged into the app. If provided and a user attempts go through the derived key login flow again, and they select an account from this list of keys, we skip the derived key approval UI.