CIF-2913: remove category_uid from remove filter map

[buuhuu]

Description

With #643 we remove the category_uid filter request parameter when the value can be parsed from the url which is the case for PLPs. This worked well for adding facet filters, but we missed to handle removing the facets.

This change removes the category_uid also from a SearchAggregations remove filter map.

Related Issue

CIF-2913
#643

Motivation and Context

Usually requests that contain request parameters are not cached by the dispatcher. To increase the cache ratio we remove unnecessary request parameters for the product list component so that the dispatcher cached page can be served.

How Has This Been Tested?

Unit tests, locally

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 #924 (a386ab3) into master (1775a1e) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #924      +/-   ##
============================================
+ Coverage     89.71%   89.73%   +0.01%     
- Complexity     2016     2018       +2     
============================================
  Files           338      338              
  Lines          9260     9261       +1     
  Branches       1316     1318       +2     
============================================
+ Hits           8308     8310       +2     
+ Misses          679      678       -1     
  Partials        273      273              

Flag	Coverage Δ
integration	52.83% <100.00%> (+0.02%)	⬆️
jest	86.38% <ø> (ø)
karma	95.68% <ø> (ø)
unittests	88.83% <100.00%> (+0.02%)	⬆️

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

Impacted Files	Coverage Δ
...ch/internal/services/SearchResultsServiceImpl.java	95.68% <100.00%> (+0.01%)	⬆️
.../search/internal/models/SearchAggregationImpl.java	100.00% <0.00%> (+3.33%)	⬆️

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