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/Common/LtsLogin/lts_login.cpp

@@ -252,22 +252,22 @@ void LtsLogin::logoff()
     QString cmd;
     switch (m_shutdownAction.underlying())
     {
-        case AssetManagement::ShutdownAction_def::Shutdown:
+        case AssetManagement::ShutdownAction::Shutdown:
 #ifdef LTS_DEBUG
             cmd = QStringLiteral("xeyes");
 #else
             cmd = QStringLiteral("systemctl poweroff");
 #endif
             break;
-        case AssetManagement::ShutdownAction_def::Reboot:
+        case AssetManagement::ShutdownAction::Reboot:
 #ifdef LTS_DEBUG
             cmd = QStringLiteral("kcalc");
 #else
             cmd = QStringLiteral("systemctl reboot");
 #endif
             break;
-        case AssetManagement::ShutdownAction_def::Logout:
-        case AssetManagement::ShutdownAction_def::NoAction:
+        case AssetManagement::ShutdownAction::Logout:
+        case AssetManagement::ShutdownAction::NoAction:
             emit signalLogoffDone();
             break;
     }