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/ReportManagement/ModuleTests/rep_tests.cpp

@@ -157,7 +157,7 @@ void RepTests::tryCreate(ReportType repType, VisualisationType visType)
   INFO_LOG(m_logger) << "trying to send createRequest Report";
   CreateModifyReportRequest request;
 
-  QString repName = QStringLiteral("Test Report - type ") + QString::number(repType);
+  QString repName = QStringLiteral("Test Report - type ") + QString::number(static_cast<int>(repType));
   request.name = repName.toStdString();
   request.description = "Test Report Description";
   request.reportType = repType;