accdb: add two more missing color parameters
accdb: reveal PSK in `ad qr`
Revert "accdb: reveal PSK in `ad qr`"

On second thought, no. Even though it's already in the Qr code, someone
without a camera could still read it...

This reverts commit e5fc3ce9cb53c083396b5a7ed6f2f67b09655db0.