tasks: motion: give warning if recording bus is stalled

src/tasks/motion.rs

@@ -37,6 +37,8 @@ pub async fn motion_task(src: DynamicReceiver<'static, Measurement>, prediction_
             Measurement::SimulationProgress(source, duration, pct) => debug!("{source:?} simulation time: {} {} / 255", duration.as_secs(), pct),
             Measurement::Annotation => ()
         }
-        let _ = recording_sink.try_publish(next_measurement);
+        if recording_sink.try_publish(next_measurement).is_err() {
+            warn!("Could not publish measurement to recording bus. Is the recording bus stalled?");
+        }
     }
 }