Qt6 migration fixes: RTI DDS alias targets, ErrorMessage namespace, DDS header include path

qt6-after/qt6-migrated-legatus/Lts/Viewer/LtsFileDialog/lts_file_dialog.h

@@ -9,9 +9,9 @@
 
 #pragma once
 
-#include <Plugins/FileManagement/flm_data_plugin_interface.h>
-#include <Services/OperatorManagement/opm_dtc.h>
-#include <Services/ExerciseManagement/exm_dtc.h>
+#include <FileManagement/flm_data_plugin_interface.h>
+#include <OperatorManagement/opm_dtc.h>
+#include <ExerciseManagement/exm_dtc.h>
 
 #include <LtsWidgets/lts_dialog_button_box.h>
 #include <LtsWidgets/lts_frameless_dialog.h>
@@ -58,8 +58,8 @@ public:
             const QVector<FileManagement::MainFolder> &mainFolders = {},
             const QVector<FileManagement::FileType> &fileTypes = {FileManagement::FileType::Unknown},
             const int &folderId = 0,
-            const QString &buttonName = QString(),
-            const QString &xmlType = QString());
+            const QString &buttonName = QString{},
+            const QString &xmlType = QString{});
 
   int getSelectedFileId() const;
   FileManagement::FileContent getSelectedFile() const;