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/kgradientselectortest.cpp

@@ -0,0 +1,45 @@
+/*
+    This file is part of the KDE libraries
+    SPDX-FileCopyrightText: 2022 David Edmundson  <davidedmundson@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#include <KGradientSelector>
+#include <QApplication>
+
+#include <QCheckBox>
+#include <QLabel>
+#include <QVBoxLayout>
+#include <QWidget>
+
+class KSelectorTestWidget : public QWidget
+{
+public:
+    KSelectorTestWidget(QWidget *parent = nullptr)
+        : QWidget(parent)
+    {
+        QVBoxLayout *mainLayout = new QVBoxLayout(this);
+
+        auto label = new QLabel(QStringLiteral("Gradient box"));
+        mainLayout->addWidget(label);
+
+        auto selector = new KGradientSelector(Qt::Horizontal, this);
+        selector->setFixedSize(256, 26);
+        selector->setIndent(true);
+        selector->setArrowDirection(Qt::DownArrow);
+        selector->setRange(0, 255);
+        mainLayout->addWidget(selector);
+    }
+};
+
+int main(int argc, char **argv)
+{
+    QApplication::setApplicationName(QStringLiteral("ktitlewidgettest"));
+    QApplication app(argc, argv);
+
+    KSelectorTestWidget *mainWidget = new KSelectorTestWidget;
+    mainWidget->show();
+
+    return app.exec();
+}