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/kwin/source/tests/lockscreenoverlaytest.cpp

@@ -0,0 +1,89 @@
+/*
+    SPDX-FileCopyrightText: 2022 Aleix Pol Gonzalez <aleixpol@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
+#include "qwayland-kde-lockscreen-overlay-v1.h"
+#include <KWindowSystem>
+#include <QWaylandClientExtensionTemplate>
+#include <QtWidgets>
+#include <qpa/qplatformnativeinterface.h>
+
+class WaylandAboveLockscreen : public QWaylandClientExtensionTemplate<WaylandAboveLockscreen>, public QtWayland::kde_lockscreen_overlay_v1
+{
+public:
+    WaylandAboveLockscreen()
+        : QWaylandClientExtensionTemplate<WaylandAboveLockscreen>(1)
+    {
+        QMetaObject::invokeMethod(this, "addRegistryListener");
+    }
+
+    void allowWindow(QWindow *window)
+    {
+        QPlatformNativeInterface *native = qGuiApp->platformNativeInterface();
+        wl_surface *surface = reinterpret_cast<wl_surface *>(native->nativeResourceForWindow(QByteArrayLiteral("surface"), window));
+        allow(surface);
+    }
+};
+
+class WidgetAllower : public QObject
+{
+public:
+    WidgetAllower(QWidget *widget)
+        : QObject(widget)
+        , m_widget(widget)
+    {
+        widget->installEventFilter(this);
+    }
+
+    bool eventFilter(QObject * /*watched*/, QEvent *event) override
+    {
+        if (auto w = m_widget->windowHandle()) {
+            WaylandAboveLockscreen aboveLockscreen;
+            Q_ASSERT(aboveLockscreen.isInitialized());
+            aboveLockscreen.allowWindow(w);
+            deleteLater();
+        }
+        return false;
+    }
+
+    QWidget *const m_widget;
+};
+
+int main(int argc, char *argv[])
+{
+
+    QApplication app(argc, argv);
+    QWidget window1(nullptr, Qt::Window);
+    window1.setWindowTitle("Window 1");
+    window1.setLayout(new QVBoxLayout);
+    QPushButton p("Lock && Raise the Window 2");
+    window1.layout()->addWidget(&p);
+    window1.show();
+
+    QWidget window2(nullptr, Qt::Window);
+    window2.setWindowTitle("Window 2");
+    window2.setLayout(new QVBoxLayout);
+    QPushButton p2("Close");
+    window2.layout()->addWidget(&p2);
+
+    new WidgetAllower(&window2);
+    auto raiseWindow2 = [&] {
+        KWindowSystem::requestXdgActivationToken(window2.windowHandle(), 0, "lockscreenoverlaytest.desktop");
+    };
+    QObject::connect(KWindowSystem::self(), &KWindowSystem::xdgActivationTokenArrived, &window2, [&window2](int, const QString &token) {
+        KWindowSystem::setCurrentXdgActivationToken(token);
+        KWindowSystem::activateWindow(window2.windowHandle());
+    });
+
+    QObject::connect(&p, &QPushButton::clicked, &app, [&] {
+        QProcess::execute("loginctl", {"lock-session"});
+        window2.showFullScreen();
+        QTimer::singleShot(3000, &app, raiseWindow2);
+    });
+
+    QObject::connect(&p2, &QPushButton::clicked, &window2, &QWidget::close);
+
+    return app.exec();
+}