fix RangeIndex error in error analysis for object detection models

[imatiach-msft]

Description

fix RangeIndex error in error analysis for object detection models.

Fix customer exception when using error analysis with RAI Vision Dashboard on a custom object detection model that outputs predictions as a jagged list.

Checklist

• I have added screenshots above for all UI changes.
• I have added e2e tests for all UI changes.
• Documentation was updated if it was needed.

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/ilmat/fix-object-detection-ea-range-error/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/ilmat/fix-object-detection-ea-range-error/dashboard/index.html

[codecov-commenter]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (d033292) 88.46% compared to head (cde6cb4) 79.23%.

Files	Patch %	Lines
...nsibleai_vision/managers/error_analysis_manager.py	88.88%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2411      +/-   ##
==========================================
- Coverage   88.46%   79.23%   -9.23%     
==========================================
  Files         134       26     -108     
  Lines        7695     2287    -5408     
==========================================
- Hits         6807     1812    -4995     
+ Misses        888      475     -413     

Flag	Coverage Δ
unittests	79.23% <88.88%> (-9.23%)	⬇️

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