EDSC-3538: Make Relevancy the default sorting option on EDSC home page

[daniel-zamora]

Overview

What is the feature?

We are modifying the way the default collection sort is defined.

What is the Solution?

An environment variable has been introduced that will allow deployment to set the collection sort key, default is now Relevancy.

What areas of the application does this impact?

Collection sort in the collection search panel, default sort key, collection search state.

Testing

Reproduction steps

• Environment for testing:
• Collection to test with:

1. Step 1
2. Step 2...

Attachments

Please include relevant screenshots or files that would be helpful in reviewing and verifying this change.

Checklist

• [ ] I have added automated tests that prove my fix is effective or that my feature works
• [ ] New and existing unit tests pass locally with my changes
• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] My changes generate no new warnings

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 36.36364% with 7 lines in your changes missing coverage. Please review.

Project coverage is 82.25%. Comparing base (6ec22a2) to head (c2c38a3).

Files	Patch %	Lines
...ic/src/js/components/SearchPanels/SearchPanels.jsx	12.50%	7 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1768 +/- ## ========================================== - Coverage 82.31% 82.25% -0.06% ========================================== Files 696 697 +1 Lines 17434 17436 +2 Branches 4565 4544 -21 ========================================== - Hits 14350 14342 -8 - Misses 2873 2988 +115 + Partials 211 106 -105 ```

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