Avoid Qt 6.7 bug when using windows11 style

Still not fixed in 6.7.3 (https://bugreports.qt.io/browse/QTBUG-124150)

src/Core/main.cpp

@@ -56,6 +56,12 @@
 
 #include <gsl/gsl_errno.h>
 
+#ifdef Q_OS_WIN
+#if QT_VERSION > 0x060700
+#include <QStyleFactory>
+#endif
+#endif
+
 //
 // bootstrap state
 //
@@ -429,6 +435,15 @@ main(int argc, char *argv[])
     // create the application -- only ever ONE regardless of restarts
     application = new QApplication(argc, argv);
 
+#ifdef Q_OS_WIN
+#if QT_VERSION > 0x060700
+    if (application->style()->name() == "windows11") {
+        application->setStyle(QStyleFactory::create("Windows"));
+        qDebug()<<"Replacing windows11 by Windows style to avoid a Qt bug";
+    }
+#endif
+#endif
+
     //XXXIdleEventFilter idleFilter;
     //XXXapplication->installEventFilter(&idleFilter);