Enable highdpi scaling

This is needed for proper scaling on Windows

src/main.cpp

@@ -340,6 +340,7 @@ int main(int argc, char *argv[])
     // Fixes blurry icons with fractional scaling
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 #endif
     QApplication app(argc, argv);
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)