fix bug in treeview filtering logic in error analysis package

[imatiach-msft]

Description

Fix bug introduced in recent PR:
#1562
During refactoring of a method the filtering logic broke. This PR fixes the filtering logic again and adds a test to validate the nodes from error analysis constructed json are the same size as the original lightgbm tree exported model file.

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 #1593 (8b5dd6b) into main (7319c7d) will increase coverage by 1.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1593      +/-   ##
==========================================
+ Coverage   88.95%   89.98%   +1.03%     
==========================================
  Files         109       38      -71     
  Lines        5379     1638    -3741     
==========================================
- Hits         4785     1474    -3311     
+ Misses        594      164     -430     

Flag	Coverage Δ
unittests	89.98% <100.00%> (+1.03%)	⬆️

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Impacted Files	Coverage Δ
...is/erroranalysis/_internal/surrogate_error_tree.py	87.78% <100.00%> (ø)
erroranalysis/erroranalysis/version.py	100.00% <100.00%> (ø)
responsibleai/responsibleai/_data_validations.py
responsibleai/responsibleai/_tools/__init__.py
responsibleai/responsibleai/exceptions.py
raiwidgets/raiwidgets/error_handling.py
...ponsibleai/responsibleai/modelanalysis/__init__.py
...tools/counterfactual/dashboard_schemas/__init__.py
...i/responsibleai/managers/counterfactual_manager.py
responsibleai/responsibleai/_config/base_config.py
... and 63 more

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[gaugup]

looks like linting failed with error. Please check.

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/ilmat/fix-treeview-filtering/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/ilmat/fix-treeview-filtering/dashboard/index.html

[github-actions]

https://responsibleai.blob.core.windows.net/pullrequest/microsoft/responsible-ai-toolbox/ilmat/fix-treeview-filtering/dashboard/index.html