System theme reverts to default (light) after reboot

[toubul]

Describe the bug

• Put the system on dark mode
• reboot the system
• System will revert into light mode

What did you expect to happen?

System should respect the selected theme unless the user changes it deliberately

Output of rpm-ostree status

❯ rpm-ostree status
State: idle
AutomaticUpdates: stage; rpm-ostreed-automatic.timer: no runs since boot
Deployments:
● ostree-image-signed:docker://ghcr.io/ublue-os/bluefin-dx:39
                   Digest: sha256:884091a7dd38f0b2b75f7f7355829bd855777bc804ac3b9610051b3cfbf114cb
                  Version: 39.20240406.0 (2024-04-07T14:59:41Z)

  ostree-image-signed:docker://ghcr.io/ublue-os/bluefin-dx:gts
                   Digest: sha256:12bf38717e940dc35959781bcb43a94c6b7f1a02a65b20cb1b621bc321eea165
                  Version: 38.20240404.0 (2024-04-07T22:20:45Z)

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Extra information or context

No response