fix: LEAP-1692: Image export for COCO and YOLO

[robot-ci-heartex]

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• fix: LEAP-1692: Image export for COCO and YOLO label-studio-sdk#383 linked by Workflow Run

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[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.

Project coverage is 76.79%. Comparing base (e320bbe) to head (e544198).

Files with missing lines	Patch %	Lines
label_studio/data_export/mixins.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #6855      +/-   ##
===========================================
- Coverage    76.79%   76.79%   -0.01%     
===========================================
  Files          171      171              
  Lines        14030    14034       +4     
===========================================
+ Hits         10774    10777       +3     
- Misses        3256     3257       +1     

Flag	Coverage Δ
pytests	76.79% <85.71%> (-0.01%)	⬇️

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