Adds first regression and Qt6-migration-quality accessing results

qt6-after/qt6-migrated-legatus/Lts/Application/THP/main.cpp

@@ -50,7 +50,7 @@ int main(int argc, char **argv)
   app.createLogger("THP", "log4cxx_thp_viewer.props");
   app.setOrganizationName(QStringLiteral("RME"));
   app.setApplicationName(QStringLiteral("thp_viewer"));
-  app.setAttribute(Qt::AA_UseHighDpiPixmaps);
+  // Qt::AA_UseHighDpiPixmaps: no-op since Qt6 (high-DPI pixmaps are always enabled)
 
   QDir::setSearchPaths(QLatin1String("icon"), QStringList(QLatin1String(":/style/")));
   Q_INIT_RESOURCE(rme_light_style);