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/Proxies/ComponentMonitor/checkmk_handler.cpp

@@ -6,6 +6,7 @@
 #include <QtCore/QTimer>
 #include <QtNetwork/QHostAddress>
 #include <QtCore/QDateTime>
+#include <NGLLogger/NGLLoggerBootstrap.h>
 
 
 
@@ -50,7 +51,7 @@ bool CheckmkHandler::initialize(const QString &checkMkServerHostname, int checkM
   }
 
   connect(m_socket, &QTcpSocket::stateChanged, this, &CheckmkHandler::onStateChanged);
-  connect(m_socket, QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error),
+  connect(m_socket, qOverload<QAbstractSocket::SocketError>(&QAbstractSocket::error),
           this, &CheckmkHandler::onSocketError);
 
   connect(m_socket, &QTcpSocket::connected,