Add ID to counterfactual config and serialized counterfactual data

[gaugup]

Description

This will enable querying for counterfactuals from UI. UI can pass the id using which we will be able to look up the counterfactual config / explainer using which we can generate the counterfactuals.

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 #1553 (87608bc) into main (384c5b2) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1553   +/-   ##
=======================================
  Coverage   85.12%   85.12%           
=======================================
  Files          57       57           
  Lines        2877     2877           
=======================================
  Hits         2449     2449           
  Misses        428      428           

Flag	Coverage Δ
unittests	85.12% <ø> (ø)

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[github-actions]

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

[github-actions]

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

[github-actions]

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