Add extra space between Identity feature and the actual feature name

[gaugup]

Description

This is based on @imatiach-msft's comment https://github.com/microsoft/responsible-ai-toolbox/pull/1637/files/6dfdf14a889a4264b28d60529ff7a7151ea77cce#r945832160. So adding the extra space in counterfactual scatter plot.

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 #1641 (bbc0bd9) into main (fb45a4b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1641   +/-   ##
=======================================
  Coverage   85.58%   85.58%           
=======================================
  Files          58       58           
  Lines        2977     2977           
=======================================
  Hits         2548     2548           
  Misses        429      429           

Flag	Coverage Δ
unittests	85.58% <ø> (ø)

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[github-actions]

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

[github-actions]

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