Fix C++23 Warnings (#764)

Co-authored-by: Alexander Murray <alexander.murray@franke.com>

demo/MainWindow.cpp

@@ -396,7 +396,7 @@ struct MainWindowPrivate
 		DockWidget->setMinimumSizeHintMode(ads::CDockWidget::MinimumSizeHintFromContent);
 		auto ToolBar = DockWidget->createDefaultToolBar();
 		auto Action = ToolBar->addAction(svgIcon(":/adsdemo/images/fullscreen.svg"), "Toggle Fullscreen");
-		QObject::connect(Action, &QAction::triggered, [=]()
+		QObject::connect(Action, &QAction::triggered, [DockWidget]()
 			{
 				if (DockWidget->isFullScreen())
 				{
@@ -510,7 +510,7 @@ void MainWindowPrivate::createContent()
 	auto TitleBar = DockArea->titleBar();
 	int Index = TitleBar->indexOf(TitleBar->tabBar());
 	TitleBar->insertWidget(Index + 1, CustomButton);
-	QObject::connect(CustomButton, &QToolButton::clicked, [=]()
+	QObject::connect(CustomButton, &QToolButton::clicked, [DockArea, this]()
 	{
 		auto DockWidget = createEditorWidget();
 		DockWidget->setFeature(ads::CDockWidget::DockWidgetDeleteOnClose, true);

src/AutoHideTab.cpp

@@ -139,7 +139,7 @@ struct AutoHideTabPrivate
 	IFloatingWidget* createFloatingWidget(T* Widget)
 	{
 		auto w = new CFloatingDragPreview(Widget);
-		_this->connect(w, &CFloatingDragPreview::draggingCanceled, [=]()
+		_this->connect(w, &CFloatingDragPreview::draggingCanceled, [this]()
 		{
 			DragState = DraggingInactive;
 		});

src/DockAreaTitleBar.cpp

@@ -303,7 +303,7 @@ IFloatingWidget* DockAreaTitleBarPrivate::makeAreaFloating(const QPoint& Offset,
 	else
 	{
 		auto w = new CFloatingDragPreview(DockArea);
-		QObject::connect(w, &CFloatingDragPreview::draggingCanceled, [=]()
+		QObject::connect(w, &CFloatingDragPreview::draggingCanceled, [this]()
 		{
 			this->DragState = DraggingInactive;
 		});

src/DockWidgetTab.cpp

@@ -169,7 +169,7 @@ struct DockWidgetTabPrivate
 		else
 		{
 			auto w = new CFloatingDragPreview(Widget);
-			_this->connect(w, &CFloatingDragPreview::draggingCanceled, [=]()
+			_this->connect(w, &CFloatingDragPreview::draggingCanceled, [this]()
 			{
 				DragState = DraggingInactive;
 			});