controller: Respect vehicle ID

Since we now have the current sys id available, we can have the
controller functions use that instead of being hardcoded to 1

src/libs/vehicle/ardupilot/ardupilot.ts

@@ -605,7 +605,7 @@ export abstract class ArduPilotVehicle<Modes> extends Vehicle.AbstractVehicle<Mo
       t: state.t,
       buttons: state.buttons,
       buttons2: state.buttons2,
-      target: 1,
+      target: this.currentSystemId,
     }
     this.write(manualControlMessage)
   }