launcher: fix light mode, group settings into resizable sections

src/launcher/include/configurationEditDialog.h

@@ -10,6 +10,7 @@ class QByteArray;
 class QGroupBox;
 class QListWidget;
 class QMoveEvent;
+class QResizeEvent;
 class QToolButton;
 class QSettings;
 class QWidget;
@@ -48,6 +49,7 @@ protected:
 	void AddGameDirectoryItem(const QString& dir);
 
 	void moveEvent(QMoveEvent* event) override;
+	void resizeEvent(QResizeEvent* event) override;
 
 	static QByteArray g_last_geometry;