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/EffectShowManagement/esm_convert_from_tab.cpp

@@ -42,7 +42,7 @@ OrderConfirmation_t getOrderConfirmation(const TrainingAreaBase::FireSmokeMarker
   res.orderType    = OrderType_e(byte);
   LtsUtils::get2Byte(tele, k, res.orderId);
   LtsUtils::get1Byte(tele, k, byte);
-  res.confirmation = EffectShowManagement::OrderConfirmation_e::inner_enum(byte);
+  res.confirmation = static_cast<EffectShowManagement::OrderConfirmation_e>(byte);
 
   QByteArray qbArr;
   int ie = data.payload.size() - 5;