Add identity feature value to counterfactual hover over

[gaugup]

Description

This PR adds the value in the identity feature column to the hover over in the counterfactual scatter plot chart.

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 #1626 (71e491f) into main (84896f8) will decrease coverage by 3.42%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1626      +/-   ##
==========================================
- Coverage   89.01%   85.58%   -3.43%     
==========================================
  Files         105       58      -47     
  Lines        5489     2977    -2512     
==========================================
- Hits         4886     2548    -2338     
+ Misses        603      429     -174     

Flag	Coverage Δ
unittests	85.58% <ø> (-3.43%)	⬇️

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Impacted Files	Coverage Δ
...bleai/responsibleai/_tools/causal/causal_result.py
...i/responsibleai/managers/counterfactual_manager.py
responsibleai/responsibleai/_internal/__init__.py
...eai/responsibleai/databalanceanalysis/constants.py
responsibleai/responsibleai/_tools/__init__.py
...ponsibleai/responsibleai/modelanalysis/__init__.py
responsibleai/responsibleai/_config/__init__.py
...ponsibleai/responsibleai/rai_insights/constants.py
...onsibleai/_tools/shared/attribute_serialization.py
responsibleai/responsibleai/exceptions.py
... and 37 more

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[github-actions]

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