qt: Disable OpenGL 3.0 renderer for macOS.

Until it's figured out, macOS has dummy implementation to keep it
building.

src/qt/qt_rendererstack.cpp

@@ -22,15 +22,21 @@
 #include "ui_qt_rendererstack.h"
 
 #include "qt_hardwarerenderer.hpp"
-#include "qt_openglrenderer.hpp"
 #include "qt_softwarerenderer.hpp"
 
+#ifndef Q_OS_MACOS
+#    include "qt_openglrenderer.hpp"
+#else
+#    include "qt_opengldummy.hpp"
+#endif
+
 #include "qt_mainwindow.hpp"
 #include "qt_util.hpp"
 
 #include "evdev_mouse.hpp"
 
 #include <QScreen>
+#include <QTimer>
 
 #ifdef __APPLE__
 #    include <CoreGraphics/CoreGraphics.h>