Gui: fix build failure with Qt6 on macOS

src/Gui/MetaTypes.h

@@ -28,7 +28,10 @@
 #include <Base/Placement.h>
 #include <Base/Quantity.h>
 #include <App/DocumentObserver.h>
+#include <QMetaType>
+#include <QList>
 
+// NOLINTBEGIN
 Q_DECLARE_METATYPE(Base::Vector3f)
 Q_DECLARE_METATYPE(Base::Vector3d)
 Q_DECLARE_METATYPE(QList<Base::Vector3d>)
@@ -39,5 +42,6 @@ Q_DECLARE_METATYPE(Base::Quantity)
 Q_DECLARE_METATYPE(QList<Base::Quantity>)
 Q_DECLARE_METATYPE(App::SubObjectT)
 Q_DECLARE_METATYPE(QList<App::SubObjectT>)
+// NOLINTEND
 
 #endif // GUI_METATYPES_H