Sphinx autosummary not creating links for Python API

### Checklist

- [X] I have searched for [similar issues](https://github.com/isl-org/Open3D/issues).
- [X] For Python issues, I have tested with the [latest development wheel](http://www.open3d.org/docs/latest/getting_started.html#development-version-pip).
- [X] I have checked the [release documentation](http://www.open3d.org/docs/release/) and the [latest documentation](http://www.open3d.org/docs/latest/) (for `master` branch).

### Describe the issue

Links are missing in Python API docs

### Steps to reproduce the bug

```python
Look at If you navigate to [python open3d.visualization](http://www.open3d.org/docs/latest/python_api/open3d.visualization.html) you'll see that no links are created for the draw function or any modules.
```

### Error message

NA

### Expected behavior

There should be a link in documentation for every autosummary item in [open3d.visualization.rst](https://github.com/isl-org/Open3D/blob/master/docs/python_api_in/open3d.visualization.rst)

### Open3D, Python and System information

```markdown
NA
```

### Additional information

_No response_