centralize plot colors to core ui

[imatiach-msft]

Description

Centralize all chart/plot colors to core ui package.

• Use consistent colors across all charts
• Removed duplicate color definitions
• Rename fabric variables to fluentui

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/centralize-plot-colors/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/ilmat/centralize-plot-colors/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/ilmat/centralize-plot-colors/dashboard/index.html

[codecov-commenter]

Codecov Report

Merging #1559 (f645fb2) into main (f645fb2) will not change coverage.
The diff coverage is n/a.

❗ Current head f645fb2 differs from pull request most recent head b9833cd. Consider uploading reports for the commit b9833cd to get more accurate results

@@           Coverage Diff           @@
##             main    #1559   +/-   ##
=======================================
  Coverage   87.99%   87.99%           
=======================================
  Files         109      109           
  Lines        5271     5271           
=======================================
  Hits         4638     4638           
  Misses        633      633           

Flag	Coverage Δ
unittests	87.99% <0.00%> (ø)

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[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/ilmat/centralize-plot-colors/dashboard/index.html