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-kwidgetsaddons/source/tests/kdatepickerpopuptest.cpp

@@ -0,0 +1,26 @@
+/*
+  SPDX-FileCopyrightText: 2022 Volker Krause <vkrause@kde.org>
+  SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#include <KDatePickerPopup>
+
+#include <QApplication>
+#include <QDebug>
+#include <QToolButton>
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    QToolButton button;
+    button.setIcon(QIcon::fromTheme(QStringLiteral("view-calendar")));
+    KDatePickerPopup popup(KDatePickerPopup::DatePicker | KDatePickerPopup::Words | KDatePickerPopup::NoDate);
+    QObject::connect(&popup, &KDatePickerPopup::dateChanged, &app, [](QDate date) {
+        qInfo() << date;
+    });
+    button.setMenu(&popup);
+    button.show();
+
+    return app.exec();
+}