Migrates ./Lts/Viewer successfully to Qt6

qt6-after/qt6-migrated-legatus/Lts/Viewer/LtsDataView/search_model.cpp

@@ -51,7 +51,7 @@ QVariant SearchModel::data(const QModelIndex &index, int role) const
     return m_displayData.value(index.column());
   case Qt::EditRole: // Editor Text
     return m_columnFilters.value(index.column());
-  case Qt::TextColorRole: // Text-Color
+  case Qt::ForegroundRole: // Text-Color
     if (!m_columnFilters.contains(index.column()))
       return QGuiApplication::palette().color(QPalette::Disabled, QPalette::ButtonText);
     break;