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-kwindowsystem/source/src/kwindowsystem_dummy_p.h

@@ -0,0 +1,20 @@
+/*
+    SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#ifndef KWINDOWSYSTEM_DUMMY_P_H
+#define KWINDOWSYSTEM_DUMMY_P_H
+
+#include "kwindowsystem_p.h"
+
+class KWindowSystemPrivateDummy : public KWindowSystemPrivate
+{
+public:
+    void activateWindow(QWindow *win, long time) override;
+    bool showingDesktop() override;
+    void setShowingDesktop(bool showing) override;
+};
+
+#endif