Adapts shared tests and common code to generated rtiddsgen API

Updates test suites and Lts/Common consumers to plain member access.

qt6-after/qt6-migrated-legatus/tests/test_alm_dtc.cpp

@@ -1,15 +1,15 @@
 /**
  * @file test_alm_dtc.cpp
- * @brief Minimal test for AlarmManagement/alm_dtc.h header inclusion
+ * @brief Minimal test for the generated AlarmManagement Dtc/Ftc headers
  *
- * This test verifies that the stub header can be included without errors.
- * The actual Dtc/Ftc classes are generated by ddsdtc tool.
+ * This test verifies that the headers generated by CODEGEN_CLIENT_TOPICS_IFC
+ * from alm_service.xml (build-tree alm_dtc.h/alm_ftc.h) compile without errors.
  */
 
 #include <gtest/gtest.h>
 
-// Include the stub header - this test ensures it compiles
 #include "AlarmManagement/alm_dtc.h"
+#include "AlarmManagement/alm_ftc.h"
 
 TEST(AlarmManagementDtc, HeaderCompiles)
 {