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-kitemmodels/source/tests/proxymodeltestapp/proxyitemselectionwidget.h

@@ -0,0 +1,20 @@
+/*
+    SPDX-FileCopyrightText: 2010 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.net>
+    SPDX-FileContributor: Stephen Kelly <stephen@kdab.com>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#ifndef PROXYITEMSELECTIONWIDGET_H
+#define PROXYITEMSELECTIONWIDGET_H
+
+#include <QWidget>
+
+class ProxyItemSelectionWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    ProxyItemSelectionWidget(QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
+};
+
+#endif