`update_player_sensor_materials` can panic when a player is despawned

```
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: QueryDoesNotMatch', libs/client_lib/src/visuals.rs:450:80
```

https://github.com/mvlabat/muddle-run/blob/09bdf26fbc6d68af0bdc1ef5cea32125c58cf77f/libs/client_lib/src/visuals.rs#L450