[Bug 2003388] [NEW] ubuntustudio-default-settings breaks Ubuntu Studio login

[Bill Miller]

Public bug reported:

Steps to reproduce

1) Install Ubuntu Studio 22.04. Completely default install  (whole disk, etc)
2) Boot into new install
3) Install all updates and reboot
You get an unfamiliar looking login screen and an error message "The current theme cannot be loaded due to the errors below, please select another theme"
file:///usr/share/sddm/themes/ubuntu-theme/Main.qml:204:17: Cannot assign to non-existent property "actionItemsVisible"

Through process of elimination, determined that of the 345 packages
installed in step 3, ubuntustudio-default-settings causes the problem.

See also https://askubuntu.com/questions/1450091

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubuntustudio-default-settings 22.04.26.1
ProcVersionSignature: Ubuntu 5.15.0-58.64-lowlatency 5.15.74
Uname: Linux 5.15.0-58-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu82.3
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Thu Jan 19 18:18:16 2023
InstallationDate: Installed on 2023-01-19 (0 days ago)
InstallationMedia: Ubuntu-Studio 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809)
PackageArchitecture: all
SourcePackage: ubuntustudio-default-settings
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubuntustudio-default-settings (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy

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https://bugs.launchpad.net/bugs/2003388

Title:
  ubuntustudio-default-settings breaks Ubuntu Studio login

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