Drop Qt5: Debugger: Get rid of QOverload

Change-Id: Ic62a3173adeffdfa78a47849cf1ceaa4f59b8091
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/plugins/debugger/stackwindow.cpp

@@ -45,8 +45,7 @@ void StackTreeView::setModel(QAbstractItemModel *model)
     if (model)
         setRootIndex(model->index(0, 0, QModelIndex()));
 
-    connect(static_cast<StackHandler*>(model), &StackHandler::stackChanged,
-            this, [this]() {
+    connect(static_cast<StackHandler*>(model), &StackHandler::stackChanged, this, [this] {
         if (!m_contentsAdjusted)
             adjustForContents();
     });