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### Motivation and context
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Closes https://github.com/opencv/cvat/pull/7703
Related: https://github.com/opencv/cvat/issues/7258
Related: https://github.com/opencv/cvat/pull/7125
Related: https://github.com/opencv/cvat/pull/7699

Changes:
https://github.com/cvat-ai/datumaro/compare/8a14a99fe17f19d98595a2a4a74ab459051cc23b...82982b16b178eb3f39c707795bb68a3306610abf

- Fixed WiderFace dataset example
- Fixed export without images in Datumaro format - no empty `media` and
`point_cloud` fields should be in the results

### How has this been tested?
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- [ ] I have created a changelog fragment <!-- see top comment in
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- [ ] I have updated the documentation accordingly
- [ ] I have added tests to cover my changes
- [ ] I have linked related issues (see [GitHub docs](

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- [ ] I have increased versions of npm packages if it is necessary

([cvat-canvas](https://github.com/opencv/cvat/tree/develop/cvat-canvas#versioning),

[cvat-core](https://github.com/opencv/cvat/tree/develop/cvat-core#versioning),

[cvat-data](https://github.com/opencv/cvat/tree/develop/cvat-data#versioning)
and

[cvat-ui](https://github.com/opencv/cvat/tree/develop/cvat-ui#versioning))

### License

- [ ] I submit _my code changes_ under the same [MIT License](
https://github.com/opencv/cvat/blob/develop/LICENSE) that covers the
project.
  Feel free to contact the maintainers if that's a concern.