Fix SliceSpec and evaluator

[fcogidi]

PR Type

Fix.

Short Description

• Remove duplicate slice specs after creating intersectional slices
• Add array_lib argument to evaluate_fairness method that is called from the evaluate method.
• Clear the defaults dictionary in metric classes so that a metric can be used with a different array type after reset is called.

Tests Added

...

[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 75.26%. Comparing base (d781e3d) to head (c7e9d13).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #619      +/-   ##
==========================================
+ Coverage   75.24%   75.26%   +0.02%     
==========================================
  Files         128      128              
  Lines       11459    11470      +11     
==========================================
+ Hits         8622     8633      +11     
  Misses       2837     2837              

Files	Coverage Δ
cyclops/data/slicer.py	88.56% <100.00%> (+0.43%)	⬆️
cyclops/evaluate/fairness/evaluator.py	13.02% <ø> (ø)
cyclops/evaluate/metrics/experimental/metric.py	88.69% <100.00%> (+0.03%)	⬆️
...clops/evaluate/metrics/experimental/metric_dict.py	92.13% <100.00%> (ø)
cyclops/evaluate/evaluator.py	22.58% <0.00%> (ø)