fix: unify font-family with paragon component styles

[ihor-romaniuk]

Description

This pull request contains recommendations for fixing custom font-family and make it unified with all MFEs and Paragon components.
All MFEs must have the same default appearance and change them globally via brand-openedx component on demand.

Related Pull Requests

PR to the open-release/palm.master branch: #596
PR to the open-release/quince.master branch: #597

Screenshots/sandbox (optional):

Before	After

Merge Checklist

• If your update includes visual changes, have they been reviewed by a designer? Send them a link to the Sandbox, if applicable.
• Is there adequate test coverage for your changes?

Post-merge Checklist

• Deploy the changes to prod after verifying on stage or ask @openedx/edx-infinity to do it.
• 🎉 🙌 Celebrate! Thanks for your contribution.

[openedx-webhooks]

Thanks for the pull request, @ihor-romaniuk! Please note that it may take us up to several weeks or months to complete a review and merge your PR.

Feel free to add as much of the following information to the ticket as you can:

• supporting documentation
• Open edX discussion forum threads
• timeline information ("this must be merged by XX date", and why that is)
• partner information ("this is a course on edx.org")
• any other information that can help Product understand the context for the PR

All technical communication about the code itself will be done via the GitHub pull request interface. As a reminder, our process documentation is here.

Please let us know once your PR is ready for our review and all tests are green.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6d90da7) 92.37% compared to head (5851321) 92.37%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #598   +/-   ##
=======================================
  Coverage   92.37%   92.37%           
=======================================
  Files         169      169           
  Lines        3450     3450           
  Branches      898      898           
=======================================
  Hits         3187     3187           
  Misses        243      243           
  Partials       20       20           

Files	Coverage Δ
src/discussions/common/AuthorLabel.jsx	100.00% <ø> (ø)
src/discussions/common/EndorsedAlertBanner.jsx	100.00% <ø> (ø)

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[mphilbrick211]

Hi @openedx/edx-infinity! Would someone be able to review / merge this for us? Thanks!

[awais-ansari]

@ihor-romaniuk Please update this PR.

[ihor-romaniuk]

@awais-ansari PR was updated

[sundasnoreen12]

PR LGTM

[ihor-romaniuk]

@itsjeyd @sundasnoreen12 PR was updated from master branch and ready for merge

[openedx-webhooks]

@ihor-romaniuk 🎉 Your pull request was merged! Please take a moment to answer a two question survey so we can improve your experience in the future.