Summary

Enabling export streaming for MOT, LabelMe, Cityscapes
Syncing MOT with upstream, partially syncing Cityscapes with upstream

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have added the description of my changes into CHANGELOG.​
• I have updated the documentation accordingly

License

• I submit my code changes under the same MIT License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2025 CVAT.ai Corporation
#
# SPDX-License-Identifier: MIT