Comment 17 for bug 2003388

I downloaded and installed the package from https://launchpad.net/ubuntu/jammy/amd64/ubuntustudio-default-settings/22.04.26.2

Then I restarted and I got back to the default login screen.

To me, this appears to have fixed it. Great work!

$ apt policy ubuntustudio-default-settings
ubuntustudio-default-settings:
  Installed: 22.04.26.2
  Candidate: 22.04.26
  Version table:
 *** 22.04.26.2 100
        100 /var/lib/dpkg/status
     22.04.26.1 500
        500 http://us.archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu jammy-updates/universe i386 Packages
     22.04.26 1001
        500 http://us.archive.ubuntu.com/ubuntu jammy/universe amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu jammy/universe i386 Packages