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: https://github.com/openedx/frontend-app-discussions/pull/596 PR to the open-release/quince.master branch: https://github.com/openedx/frontend-app-discussions/pull/597

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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.

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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

Additional details and impacted files

```diff @@ 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](https://app.codecov.io/gh/openedx/frontend-app-discussions/pull/598?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openedx) | Coverage Δ | | |---|---|---| | [src/discussions/common/AuthorLabel.jsx](https://app.codecov.io/gh/openedx/frontend-app-discussions/pull/598?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openedx#diff-c3JjL2Rpc2N1c3Npb25zL2NvbW1vbi9BdXRob3JMYWJlbC5qc3g=) | `100.00% <ø> (ø)` | | | [src/discussions/common/EndorsedAlertBanner.jsx](https://app.codecov.io/gh/openedx/frontend-app-discussions/pull/598?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openedx#diff-c3JjL2Rpc2N1c3Npb25zL2NvbW1vbi9FbmRvcnNlZEFsZXJ0QmFubmVyLmpzeA==) | `100.00% <ø> (ø)` | |

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[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

[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.