Update arrow sorting to properly reflect item order

[ashley-o0o]

Closes: RHOAIENG-1146

Description

Updates the arrow sorting feature in the Resources page. When looking at list mode, the arrow is now pointing in the correct direction for the item order.

How Has This Been Tested?

Tested locally and on Cypress

Test Impact

No new tests added. Current test was modified to reflect new arrow direction change.

Screenshots

Before: (Arrow down for ASC)

After: (Arrow up for ASC, and down for DESC)

Request review criteria:

Self checklist (all need to be checked):

• The developer has manually tested the changes and verified that the changes work
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has added tests or explained why testing cannot be added (unit or cypress tests for related changes)

If you have UI changes:

• Included any necessary screenshots or gifs if it was a UI change.
• Included tags to the UX team if it was a UI/UX change.

After the PR is posted & before it merges:

• The developer has tested their solution on a cluster by using the image produced by the PR to main

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.49%. Comparing base (75f526a) to head (fe67d89).
Report is 9 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3232   +/-   ##
=======================================
  Coverage   85.49%   85.49%           
=======================================
  Files        1279     1280    +1     
  Lines       28161    28190   +29     
  Branches     7525     7535   +10     
=======================================
+ Hits        24075    24100   +25     
- Misses       4086     4090    +4     

Files with missing lines	Coverage Δ
.../pages/learningCenter/LearningCenterListHeader.tsx	100.00% <ø> (ø)

... and 8 files with indirect coverage changes

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[jenny-s51]

LGTM @ashley-o0o - tested locally, everything looks great and sorting now works as expected based on the notes/comments in the ticket.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: jenny-s51
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