🐛[BUG]: No output save on executing inference on stl.py [domino]

### Version

Physicsnemo v25.06

### On which installation method(s) does this occur?

Source

### Describe the issue

Present inference on stl.py code in the domino model is not saving predicted surface file and not printing any force coefficient like test.py code

### Minimum reproducible example

```shell

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### Relevant log output

```shell

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### Environment details

```shell

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