Complete Qt6 migration: full clean build green across groups G1-G12 incl. runtime plugin set

new_docker_build.sh gains Group 12 (212 GUI/Data plugins); fixes LtsUtilsGuiDds visibility (LTO-stripped exports), LtsProjectionWorkstation unity name shadow, 6 unity-off dirs (dup file-scope statics, ddsftc INTERFACE sources) and reconfigures BUILD_FILTERMANAGEMENT/BUILD_PLUGINS_SERVICEMONITOR=ON

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

@@ -53,7 +53,12 @@ void LtsColumnsSettingWidget::onResetClicked()
  */
 void LtsColumnsSettingWidget::onApplyClicked()
 {
-  QVector<LtsDataView::ColumnOrganiserInfo> colInfoVec;
+  // Unqualified: we are already inside namespace LtsDataView, and the unity build
+  // concatenates lts_data_view.cpp (which declares class LtsDataView in this same
+  // namespace) into this TU, so "LtsDataView::ColumnOrganiserInfo" would resolve to
+  // the class (which has no such member) instead of the namespace. Matches the
+  // unqualified ColumnOrganiserInfo used everywhere else in this file.
+  QVector<ColumnOrganiserInfo> colInfoVec;
   const int rowCount = m_ui->tableView->model()->rowCount();
   colInfoVec.reserve(rowCount);
   for(int row = 0; row < rowCount; ++row)