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-kitemviews/source/src/ktreewidgetsearchlinewidget.cpp

@@ -0,0 +1,60 @@
+/*
+    This file is part of the KDE libraries
+    SPDX-FileCopyrightText: 2003 Scott Wheeler <wheeler@kde.org>
+    SPDX-FileCopyrightText: 2005 Rafal Rzepecki <divide@users.sourceforge.net>
+    SPDX-FileCopyrightText: 2006 Hamish Rodda <rodda@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#include "ktreewidgetsearchlinewidget.h"
+#include "ktreewidgetsearchline.h"
+
+#include <QHBoxLayout>
+#include <QTreeWidget>
+
+class KTreeWidgetSearchLineWidgetPrivate
+{
+public:
+    QTreeWidget *treeWidget = nullptr;
+    KTreeWidgetSearchLine *searchLine = nullptr;
+};
+
+KTreeWidgetSearchLineWidget::KTreeWidgetSearchLineWidget(QWidget *parent, QTreeWidget *treeWidget)
+    : QWidget(parent)
+    , d(new KTreeWidgetSearchLineWidgetPrivate)
+{
+    d->treeWidget = treeWidget;
+
+    // can't call createWidgets directly because it calls virtual functions
+    // that might not work if called directly from here due to how inheritance works
+    QMetaObject::invokeMethod(this, "createWidgets", Qt::QueuedConnection);
+}
+
+KTreeWidgetSearchLineWidget::~KTreeWidgetSearchLineWidget() = default;
+
+KTreeWidgetSearchLine *KTreeWidgetSearchLineWidget::createSearchLine(QTreeWidget *treeWidget) const
+{
+    return new KTreeWidgetSearchLine(const_cast<KTreeWidgetSearchLineWidget *>(this), treeWidget);
+}
+
+void KTreeWidgetSearchLineWidget::createWidgets()
+{
+    searchLine()->show();
+
+    QHBoxLayout *layout = new QHBoxLayout(this);
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->addWidget(d->searchLine);
+    setFocusProxy(searchLine());
+}
+
+KTreeWidgetSearchLine *KTreeWidgetSearchLineWidget::searchLine() const
+{
+    if (!d->searchLine) {
+        d->searchLine = createSearchLine(d->treeWidget);
+    }
+
+    return d->searchLine;
+}
+
+#include "moc_ktreewidgetsearchlinewidget.cpp"