Merge feature/qt6-migration-basis-modules-services into feature/qt6-migration-basis-modules

Resolves 17 conflicts against legacy Qt5 semantics; validates with BUILD_RTI=ON BUILD_GRANTLEE=ON.

qt6-after/qt6-migrated-legatus/Lts/DDS/DdsUnitTests/function_topic_tests.h

@@ -47,7 +47,6 @@ class FunctionTopicTests : public QObject
                                 const DdsUnitTests::FunctionRequestWithState& request);
 
   private:
-    NGL::INGLLogger& m_logger;
     void requestWithState();
 
     std::unique_ptr<FTS::FunctionTopicTest> m_fts;