RedBear-OS/local/recipes/kde/kf6-kio/source/tests/messageboxworker

KIO worker to test messageboxes manually

Enable the installation in CMakeLists.txt, then build and install.

Open the URL messagebox:/ in Dolphin. That will list directories named by the enums. Click a directory to enter it (list its content), that will instead trigger the respective warning and a redirect to the root dir.