Included "Relevance" as one of the sort option

[sambasivaraj]

Included "Relevance" as one of the sort option since there are no option to extend the SearchOptions class and modified as per the Project need

Description

ProductListImpl (com.adobe.cq.commerce.core.components.internal.models.v1.productlist) has been modified to include an additional option of sort by relevance and the required test classes are modified .

Related Issue

Its a new feature that need to be added to support project need and also it has been discussed with Marcus

Motivation and Context

Add this option will help the project team to leverage the sort by relevance option in the Product List component

How Has This Been Tested?

Code has been locally deployed to AEM Cloud SDK and validated the product list component

Screenshots (if appropriate):

Types of changes

• [ ] New feature (non-breaking change which adds functionality)

Checklist:

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

[codecov[bot]]

Codecov Report

Merging #714 (9b02523) into master (f8bf32c) will decrease coverage by 1.22%. The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #714      +/-   ##
============================================
- Coverage     88.21%   86.99%   -1.23%     
============================================
  Files           287      151     -136     
  Lines          7223     3152    -4071     
  Branches       1058      518     -540     
============================================
- Hits           6372     2742    -3630     
+ Misses          637      410     -227     
+ Partials        214        0     -214     

Flag	Coverage Δ
jest	85.92% <ø> (ø)
karma	89.95% <ø> (ø)
unittests	?

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

Impacted Files	Coverage Δ
...s/internal/models/v1/product/ProductRetriever.java
...ontcontext/SearchResultsStorefrontContextImpl.java
.../internal/servlets/ProductPageRedirectServlet.java
...e/core/components/storefrontcontext/QueryType.java
...s/internal/models/v1/common/TitleTypeProvider.java
...ervices/ComponentsConfigurationAdapterFactory.java
...ch/internal/services/SearchResultsServiceImpl.java
...nal/storefrontcontext/SearchResultProductImpl.java
...s/internal/models/v1/button/CategoryRetriever.java
...al/models/v1/categorylist/CategoriesRetriever.java
... and 125 more

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[mhaack]

@Sambasivaraj the PR LGTM but can you sign the Adobe Open Source CLA. Thx.