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

qt6-after/qt6-migrated-legatus/Lts/Services/AreaEffectSimulation/ModuleTest_Limits/CMakeLists.txt

@@ -19,10 +19,10 @@ NGL_TARGET_LINK_LIBRARIES(aesModuleTestLimits
      LtsCoordTrans
      Qt6::Core
      Qt6::Test
-     ddsconnector
+     $<IF:$<TARGET_EXISTS:ddsconnector>,ddsconnector,>
      svcAesCommon
      svcAesClient
-     svcIsmClient
+     $<IF:$<TARGET_EXISTS:svcIsmClient>,svcIsmClient,>
      svcExmClient
      svcPpmClient
      svcPdmClient

qt6-after/qt6-migrated-legatus/Lts/Services/AreaEffectSimulation/ModuleTest_Limits/limits_module_test.cpp

@@ -17,7 +17,7 @@
 #include <Core/core.hpp>
 
 
-#include <QTimer>
+#include <QtCore/QTimer>
 #include <QDebug>
 
 #include <iostream>

qt6-after/qt6-migrated-legatus/Lts/Services/AreaEffectSimulation/ModuleTest_Limits/limits_module_test.h

@@ -15,7 +15,7 @@
 #include <AreaEffectSimulation/aes_dtc.h>
 #include <AreaEffectSimulation/logger.h>
 
-#include <Plugins/InfrastructureManagement/ism_data_plugin_interface.h>
+#include <InfrastructureManagement/ism_data_plugin_interface.h>
 
 #include <ExerciseManagement/exm_dtc.h>
 #include <InfrastructureManagement/ism_dtc.h>
@@ -24,7 +24,7 @@
 #include <ParticipantManagement/ppm_ftc.h>
 
 
-#include <QCoreApplication>
+#include <QtCore/QCoreApplication>
 #include <QtTest/QTest>
 
 #include <memory>