CIF-2895 - Extend product retriever with hook for product filters

[herzog31]

Description

• Added extendCategoryFilterWith and extendProductFilterWith to retrievers that support hooks to enable full replacement or extension of category and product query filters.
• Added unit tests.

Requires a release of adobe/commerce-cif-magento-graphql#29 before it can be merged.

Related Issue

See adobe/commerce-cif-magento-graphql#27

How Has This Been Tested?

• Unit tests + Venia example

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes and the overall coverage did not decrease.
• All unit tests pass on CircleCi.
• I ran all tests locally and they pass.

[codecov]

Codecov Report

Merging #938 (ccf15c9) into master (e1923ba) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #938      +/-   ##
============================================
+ Coverage     89.67%   89.72%   +0.04%     
- Complexity     2132     2148      +16     
============================================
  Files           346      346              
  Lines          9616     9660      +44     
  Branches       1385     1391       +6     
============================================
+ Hits           8623     8667      +44     
  Misses          712      712              
  Partials        281      281              

Flag	Coverage Δ
integration	52.24% <46.66%> (-0.20%)	⬇️
jest	86.55% <ø> (ø)
karma	95.33% <ø> (ø)
unittests	88.80% <100.00%> (+0.08%)	⬆️

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

Impacted Files	Coverage Δ
...l/models/v1/productcarousel/ProductsRetriever.java	94.36% <100.00%> (+0.71%)	⬆️
...s/v1/relatedproducts/RelatedProductsRetriever.java	96.42% <100.00%> (+0.35%)	⬆️
.../models/retriever/AbstractCategoriesRetriever.java	100.00% <100.00%> (ø)
...ts/models/retriever/AbstractCategoryRetriever.java	89.09% <100.00%> (+1.85%)	⬆️
...nts/models/retriever/AbstractProductRetriever.java	100.00% <100.00%> (ø)
...ts/models/retriever/AbstractProductsRetriever.java	100.00% <100.00%> (ø)

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