core: ardupilot-manager: Fix default GCS Link endpoint

Now pointing as a UDP Client to `192.168.2.1:14550`, as was original companion, to allow automatically QGroundControl detection.

core/services/ardupilot_manager/ArduPilotManager.py

@@ -85,7 +85,7 @@ def start_serial(self, device: str) -> None:
     def start_mavlink_manager(self, device: Endpoint) -> None:
         try:
             self.add_new_endpoints(
-                {Endpoint("GCS Link", self.settings.app_name, "udpin", "0.0.0.0", 14550, protected=True)}
+                {Endpoint("GCS Link", self.settings.app_name, "udpout", "192.168.2.1", 14550, protected=True)}
             )
         except Exception as error:
             warn(f"Could not create default GCS endpoint: {error}")