Example `custom_shader_instancing` cannot be run

## Bevy version

Main branch(0.15-dev)

## Relevant system information

SystemInfo { os: "MacOS 15.0 ", kernel: "24.0.0", cpu: "Apple M1 Max", core_count: "10", memory: "64.0 GiB" }
AdapterInfo { name: "Apple M1 Max", vendor: 0, device: 0, device_type: IntegratedGpu, driver: "", driver_info: "", backend: Metal }

## What you did

Run the `custom_shader_instancing` example.

## What went wrong

Cannot run.


## Additional information

Cannot get `mesh_instance`.

```rust
let Some(mesh_instance) = render_mesh_instances.render_mesh_queue_data(entity) else {
continue;
};
println!("{}", 123);
let Some(mesh) = meshes.get(mesh_instance.mesh_asset_id) else {
continue;
};
```