fix error analysis predictions analyzer failing due to new filtering refactor

[imatiach-msft]

Description

The simple scenario where only predictions and true labels are passed to error analysis dashboard is failing with the new released 0.3.7 version of erroranalysis package. This is due to the new filtering refactor, where model does not exist for the simple scenario, but we are still trying to access it. Supposedly our notebook tests should have caught this, but it seems because the dashboard python code is run on a separate thread the error doesn't actually lead to a notebook failure. This PR fixes the logic and adds additional unit tests for the both the predictions analyzer and model analyzer cases.

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/fix-ea-pred-analyzer/dashboard/index.html

[codecov-commenter]

Codecov Report

Merging #1625 (8ca18d0) into main (c5d7319) will decrease coverage by 3.30%.
The diff coverage is 100.00%.

❗ Current head 8ca18d0 differs from pull request most recent head a818de8. Consider uploading reports for the commit a818de8 to get more accurate results

@@            Coverage Diff             @@
##             main    #1625      +/-   ##
==========================================
- Coverage   88.86%   85.55%   -3.31%     
==========================================
  Files         105       58      -47     
  Lines        5449     2943    -2506     
==========================================
- Hits         4842     2518    -2324     
+ Misses        607      425     -182     

Flag	Coverage Δ
unittests	85.55% <100.00%> (-3.31%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ranalysis/erroranalysis/_internal/cohort_filter.py	87.58% <100.00%> (+1.18%)	⬆️
erroranalysis/erroranalysis/version.py	100.00% <100.00%> (ø)
...ponsibleai/databalanceanalysis/balance_measures.py
...onsibleai/responsibleai/serialization_utilities.py
responsibleai/responsibleai/__init__.py
.../responsibleai/modelanalysis/constants/__init__.py
...ibleai/_tools/causal/dashboard_schemas/__init__.py
...ponsibleai/responsibleai/_tools/shared/__init__.py
responsibleai/responsibleai/_internal/constants.py
...ai/responsibleai/_tools/counterfactual/__init__.py
... and 42 more

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[github-actions]

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