Converge component's bespoke StringEnumTypeAnnotation into StringLiteralUnionTypeAnnotation (#48343)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/48343

components store unions as 'StringEnumTypeAnnotation' even though it isn't actually a union, it's a literal.

Native Modules store these as 'StringLiteralTypeAnnotation' so this converges those and reuses the same types.

Changelog: [Internal]

Reviewed By: cipolleschi

Differential Revision: D67427656

fbshipit-source-id: e39028114285588584596012d07db40c117b4b94