Add support for 'True Y' filter for cohort filtering

[gaugup]

Description

It seems the cohort filtering doesn't handle the cohort column name 'True Y'. The fix is to translate the value 'True Y' to 'true_y'. The added test covers this scenario.

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.

[codecov-commenter]

Codecov Report

Merging #1685 (caa8408) into main (95c88b4) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1685   +/-   ##
=======================================
  Coverage   88.91%   88.91%           
=======================================
  Files         105      105           
  Lines        5557     5559    +2     
=======================================
+ Hits         4941     4943    +2     
  Misses        616      616           

Flag	Coverage Δ
unittests	88.91% <100.00%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
...ranalysis/erroranalysis/_internal/cohort_filter.py	87.17% <100.00%> (+0.13%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/gaugup/CohortFilterTrueYFix1/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/gaugup/CohortFilterTrueYFix1/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/gaugup/CohortFilterTrueYFix1/dashboard/index.html