sorting by start column in Tsv file for task and job annotation export files.

[siesto1elemento]

Motivation and context

Task and job annotations output Tsv file was not sorted with respect to their start time and end time.

How has this been tested?

Tested it multiple times with multiple formats. also made changes to annotations and then reagain downloaded it. the issue was fixed.

Checklist

• I submit my changes into the develop branch
• I have created a changelog fragment
• I have updated the documentation accordingly
• I have added tests to cover my changes
• I have linked related issues (see GitHub docs)
• I have increased versions of npm packages if it is necessary
  (cvat-canvas,
  cvat-core,
  cvat-data and
  cvat-ui)

License

• [ x] 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.