refactor: Reduce VideoConfContext exhausting types

[dougfabris]

Proposed changes (including videos or screenshots)

This PR aims to reduce the exhausting types from VideoConfContext and memoizes SyncExternalStore queries. It also helps to create and use mocks in mock-providers package, allowing to introduce unit tests

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[dionisio-bot]

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Latest commit: 6c01d3f

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.21%. Comparing base (a59ae8c) to head (6c01d3f).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #35047      +/-   ##
===========================================
- Coverage    59.22%   59.21%   -0.01%     
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  Files         2824     2824              
  Lines        68069    67989      -80     
  Branches     15151    15130      -21     
===========================================
- Hits         40314    40260      -54     
+ Misses       24924    24903      -21     
+ Partials      2831     2826       -5     

Flag	Coverage Δ
unit	75.17% <ø> (ø)

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