Fix docs in rai_base_insights.py

[gaugup]

Description

It seems some docstrings in rai_base_insights.py refer to RAIInsights. Changed those to RAIBaseInsights.

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 #1650 (c87b8ad) into main (ca94cea) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1650   +/-   ##
=======================================
  Coverage   89.00%   89.00%           
=======================================
  Files         105      105           
  Lines        5529     5529           
=======================================
  Hits         4921     4921           
  Misses        608      608           

Flag	Coverage Δ
unittests	89.00% <ø> (ø)

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Impacted Files	Coverage Δ
...ai/responsibleai/rai_insights/rai_base_insights.py	87.58% <ø> (ø)

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