Migrates residual Lts sources to generated rtiddsgen API

Adds NmeaManagement tests, fixes codegen includes and Qt6 SerialPort CMake target.

qt6-after/qt6-migrated-legatus/Lts/Services/AudioVideoManagement/object_video_receiver.h

@@ -31,13 +31,13 @@ public:
   Core::FunctionReplyObject updateObject(const VideoReceiver &data);
   Core::FunctionReplyObject removeObject();
 
-  int getId() const { return m_data.id(); }
+  int getId() const { return m_data.id; }
   VideoReceiver getData() const { return m_data; }
 
   static Database::AvmVideoReceiver toDbData(const VideoReceiver &ddsData);  // dds -> db
   static AudioVideoManagement::VideoReceiver toDdsData(const Database::AvmVideoReceiver &dbData);   // db -> dds
 
-  bool isValid() const { return (m_data.id() > 0); }
+  bool isValid() const { return (m_data.id > 0); }
 
 protected:
   void onPublishData();