message: fix backend following
diff: @@ -36,15 +36,15 @@ public:
  CoreServiceImpl core(_dc);
  builder.RegisterService(&core);
  - Action action(&_dc.device());
  + Action action(_dc.device());
  ActionServiceImpl<dronecore::Action> actionService(action);
  builder.RegisterService(&actionService);
  - Mission mission(&_dc.device());
  + Mission mission(_dc.device());
  MissionServiceImpl missionService(mission);
  builder.RegisterService(&missionService);
  - Telemetry telemetry(&_dc.device());
  + Telemetry telemetry(_dc.device());
  TelemetryServiceImpl telemetryService(telemetry);
  builder.RegisterService(&telemetryService);
  