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/Tools/VulnerabilityStateGenerator/proxy_emulator.cpp

@@ -53,7 +53,7 @@ void VulnerabilityStateGenerator::ProxyEmulator::giveInitState(const QMap<qint32
 
       state.m_equipmentNumber(currentParticipant.m_equipmentNumber().get());
       state.sampleTime(QDateTime::currentMSecsSinceEpoch());
-      state.vulnerabilityState(ProjectDataManagement::VulnerabilityState_def::CombatReady);
+      state.vulnerabilityState(ProjectDataManagement::VulnerabilityState::CombatReady);
 
       m_tabDts->publish(state);
     }