cabana: enable Hi-DPI support on MacOS (#27965)

old-commit-hash: 475903e24486be0a5be2bb935db221832c9cd239

tools/cabana/cabana.cc

@@ -12,7 +12,7 @@
 int main(int argc, char *argv[]) {
   QCoreApplication::setApplicationName("Cabana");
   QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
-  initApp(argc, argv);
+  initApp(argc, argv, false);
   QApplication app(argc, argv);
   app.setApplicationDisplayName("Cabana");
   app.setWindowIcon(QIcon(":cabana-icon.png"));