[MOB-9326] Use `ArgsRegistry` as SSOT

[TheBuggedYRN]

Description of the change

Android

• Use a more type-safe implementation instead of getDeserializedValue and getRawValue.
• Centralize the constant conversion logic in one place, instead of the scattered methods and implementations.
• Reduce the complexity and boilerplate of adding new constant.

iOS

• Centralize constants values in ArgsRegistry, instead of defining it in both constantsToExport and RCTConvert.

Type of change

• [ ] Bug fix (non-breaking change that fixes an issue)
• [ ] New feature (non-breaking change that adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issues

Issue links go here

Checklists

Development

• [ ] Lint rules pass locally
• [ ] The code changed/added as part of this pull request has been covered with tests

Code review

• [ ] This pull request has a descriptive title and information useful to a reviewer
• [ ] Issue from task tracker has a link to this pull request

[InstabugCI]

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[codecov[bot]]

Codecov Report

Merging #699 (dd080fb) into master (cce2b25) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #699   +/-   ##
=======================================
  Coverage   89.81%   89.81%           
=======================================
  Files          22       22           
  Lines         599      599           
  Branches       93       93           
=======================================
  Hits          538      538           
  Misses         53       53           
  Partials        8        8           

Impacted Files	Coverage Δ
index.js	82.32% <ø> (ø)

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