[Codegen 132] Add function emitMixedProp to parser-primitives

[siddarthkay]

Summary:

[Codegen 132] This PR introduces emitMixedProp to parser-primitives and abstracts the logic out of typescript and parser events as requested on #34872

Changelog:

[Internal] [Changed] - Add emitMixedProp to parser-primitives and update usages.

Test Plan:

Run yarn jest react-native-codegen and ensure CI is green

Screenshot of tests passing locally:

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	8,744,448	+2
android	hermes	armeabi-v7a	8,056,571	+5
android	hermes	x86	9,235,519	+6
android	hermes	x86_64	9,086,322	+4
android	jsc	arm64-v8a	9,307,022	+3
android	jsc	armeabi-v7a	8,496,525	+5
android	jsc	x86	9,369,009	+3
android	jsc	x86_64	9,623,917	+3

Base commit: 0af806e
Branch: main

[cipolleschi]

Amazing work! Thank you so much!

[facebook-github-bot]

@cipolleschi has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[facebook-github-bot]

@cipolleschi merged this pull request in a497882.