Do not use style other than default

- it cases crash even
- just reset environment variable

src/main.cpp

@@ -83,6 +83,8 @@ int main(int argc, char *argv[])
     QFile::remove(logFile);
   qInstallMessageHandler(myMessageOutput);
   qDebug() << "==== NOOTKA LOG =======\n" << QDateTime::currentDateTime().toString();
+#else
+  qputenv("QT_QUICK_CONTROLS_STYLE", ""); // reset style environment var - other styles can cause crashes
 #endif
 
   QElapsedTimer startElapsed;