add instance segmentation per_sample_transform

[MrShevan]

What does this PR do?

Fixes #930

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[codecov]

Codecov Report

Merging #1353 (2694869) into master (0001838) will decrease coverage by 1.11%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1353      +/-   ##
==========================================
- Coverage   92.68%   91.57%   -1.12%     
==========================================
  Files         286      286              
  Lines       12802    12814      +12     
==========================================
- Hits        11866    11734     -132     
- Misses        936     1080     +144     

Flag	Coverage Δ
unittests	91.57% <100.00%> (-1.12%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
flash/core/integrations/icevision/transforms.py	92.07% <100.00%> (+0.40%)	⬆️
flash/image/detection/output.py	95.65% <100.00%> (ø)
flash/image/instance_segmentation/data.py	100.00% <100.00%> (ø)
flash/audio/classification/input.py	42.85% <0.00%> (-54.95%)	⬇️
flash/audio/classification/data.py	50.00% <0.00%> (-50.00%)	⬇️
flash/audio/speech_recognition/cli.py	60.00% <0.00%> (-40.00%)	⬇️
flash/audio/classification/cli.py	63.63% <0.00%> (-36.37%)	⬇️
flash/audio/speech_recognition/input.py	63.52% <0.00%> (-35.30%)	⬇️
flash/audio/classification/input_transform.py	65.38% <0.00%> (-26.93%)	⬇️
flash/audio/speech_recognition/data.py	80.00% <0.00%> (-20.00%)	⬇️
... and 5 more

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[MrShevan]

@ethanwharris Hi, may I ask for help? )
I created all necessary tests for my new code changes. But It's strange that Codecov reports: will decrease coverage by 19.69%.

Could you approve a workflow for test running?

[ethanwharris]

@MrShevan This looks awesome! Don't worry about the tests, I think something is going wrong unrelated to your PR 😃

[MrShevan]

@ethanwharris Thanks for reviewing ! :)

Yeah, errors look like not corresponding on PR. Is there anything else I need to do to merge? Or just waiting?

[krshrimali]

Thanks, @MrShevan for the PR! LGTM.

[krshrimali]

@MrShevan - I guess we can merge this :) I'm going to merge this for now, once all tests are done. Thank you for your contribution.

[MrShevan]

@ethanwharris @krshrimali Thanks for your review ! It was a pleasure for me to work on this PR :)