Wan 2.1 image-to-video

### Custom Node Testing

- [x] I have tried disabling custom nodes and the issue persists (see [how to disable custom nodes](https://docs.comfy.org/troubleshooting/custom-node-issues#step-1%3A-test-with-all-custom-nodes-disabled) if you need help)

### Expected Behavior

CLIPLoader:
- Value not in list: clip_name: 'umt5_xxl_fp8_e4m3fn_scaled.safetensors' not in []
VAELoader:
- Required input is missing: vae_name

umt5_xxl_fp8_e4m3fn_scaled.safetensors is in diffusion_models and it still says it's not there and I don't understand the second thing
can anyone help me with this?

### Actual Behavior

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### Steps to Reproduce

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### Debug Logs

```powershell
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```

### Other

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