windows: fix dark mode

src/main.cpp

@@ -37,6 +37,12 @@ if (AttachConsole(ATTACH_PARENT_PROCESS)) {
 }
 #endif
 
+// #TODO: Fix Windows dark mode handling Qt 6.5 beta1
+// darkmode=2 (default) causes some text to become unreadable
+#if defined(Q_OS_WIN)
+    qputenv("QT_QPA_PLATFORM", "windows:darkmode=1");
+#endif
+
     QStringList argv_;
     for(int i = 0; i != argc; i++){
         argv_ << QString::fromStdString(argv[i]);