fix: proper svg icon rendering on hidpi screen.

app/main.cpp

@@ -20,6 +20,9 @@
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+    a.setAttribute(Qt::ApplicationAttribute::AA_UseHighDpiPixmaps);
+#endif
 
     QTranslator translator;
     QString qmDir;