Advance Wayland and KDE package bring-up

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/kde/kf6-kio/source/tests/messageboxworker/README.md

@@ -0,0 +1,11 @@
+<!--
+SPDX-FileCopyrightText: 2022 Friedrich W. H. Kossebau <kossebau@kde.org>
+SPDX-License-Identifier: CC0-1.0
+-->
+
+# 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.