pavucontrol default sink reset on reboot

PipeWire version (pipewire --version): libpipewire 0.3.43
Distribution and distribution version (PRETTY_NAME from /etc/os-release): Debian GNU/Linux bookworm/sid
Desktop Environment: Xfce 4.16
Kernel version (uname -r): 5.15.0-2-amd64

Description of Problem: I use two M-Audio Delta 1010LT cards and want the second card to be the default. If I set the card as default in pavucontrol, the setting is discarded after a reboot and the first card appears as default.

How Reproducible:

Occurs on every boot/reboot.

Steps to Reproduce:

Boot
Select 2nd card
Reboot

Actual Results:

Setting is lost during shutdown/boot.

Expected Results:

Setting should be kept.

Additional Info (as attachments):

pw-dump > pw-dump.log: