How to set the option turn off light with draw_geometries

### 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](https://www.open3d.org/docs/latest/getting_started.html#development-version-pip).
- [X] I have checked the [release documentation](https://www.open3d.org/docs/release/) and the [latest documentation](https://www.open3d.org/docs/latest/) (for `main` branch).

### My Question

Hi,

There is the option of turning off the light using the keyboard (L) but is there a way to keep this option for all future visualization. I tried loading a new json file but the option is still on True.

Thank you