add challenge filtering on browse projects page

[CollinBeczak]

Resolves feature request to add sorting and filtering to the challenges in the browse projects page.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 60.86957% with 9 lines in your changes are missing coverage. Please review.

Project coverage is 23.38%. Comparing base (b0ff2a5) to head (9fb5b68).

Files	Patch %	Lines
src/components/ProjectDetail/ProjectDetail.js	63.63%	4 Missing ⚠️
...ePane/ChallengeFilterSubnav/ProjectFilterSubnav.js	62.50%	3 Missing ⚠️
src/components/CardChallenge/CardChallenge.js	0.00%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2343      +/-   ##
==========================================
+ Coverage   23.37%   23.38%   +0.01%     
==========================================
  Files         648      649       +1     
  Lines       22724    22729       +5     
  Branches     7045     7032      -13     
==========================================
+ Hits         5311     5316       +5     
- Misses      14547    14549       +2     
+ Partials     2866     2864       -2     

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