WIP: MTV-3719: Enhance MTV learning experience

[sgratch]

Resolves: MTV-3719

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📝 Description

🎥 Demo

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[codecov-commenter]

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Codecov Report

❌ Patch coverage is 0.65076% with 458 lines in your changes missing coverage. Please review.
✅ Project coverage is 13.25%. Comparing base (13484d0) to head (fbe34d3).
⚠️ Report is 936 commits behind head on main.

Files with missing lines	Patch %	Lines
...ingExperienceStructure/LearningExperiencePanel.tsx	0.00%	37 Missing and 2 partials ⚠️
...enceDrawer/context/useLearningExperienceContext.ts	0.00%	29 Missing and 3 partials ⚠️
...ngExperienceContent/topics/keyTerminologyTopic.tsx	0.00%	21 Missing ⚠️
...ent/topics/components/SourceMigrationSelection.tsx	0.00%	18 Missing ⚠️
...p/learningExperienceStructure/ReferenceSection.tsx	0.00%	18 Missing ⚠️
...earningExperienceContent/topics/utils/constants.ts	0.00%	16 Missing ⚠️
...rningExperienceDrawer/LearningExperienceHeader.tsx	0.00%	16 Missing ⚠️
...ferencesSection/KeyTerminologyReferenceSection.tsx	0.00%	13 Missing ⚠️
...pics/troubleShootingTopic/troubleShootingTopic.tsx	0.00%	13 Missing ⚠️
...rningExperienceDrawer/LearningExperienceDrawer.tsx	0.00%	12 Missing and 1 partial ⚠️
... and 55 more
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Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2177       +/-   ##
===========================================
- Coverage   36.81%   13.25%   -23.56%     
===========================================
  Files         158     1091      +933     
  Lines        2548    20332    +17784     
  Branches      599     4149     +3550     
===========================================
+ Hits          938     2696     +1758     
- Misses       1428    16902    +15474     
- Partials      182      734      +552     

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[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
8.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sgratch]

@avivtur pushed few fixes/enhancements.
The tests should be fixed as well.

Anyway, close this PR for the sake of #2182