fix font weight not update for mutate state

[meetdhanani17]

Summary:

flattenStyle may return an object which is already frozen (in development), so it is incorrect to further mutate this.
related to #45285

Changelog:

[GENERAL] [FIXED] - fixed fontWeight number value error for text optimized

[react-native-bot]

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[javache]

Thanks for catching this (I didn't notice the extra wrapper TextInput component). I'll put up PR similar to how the fix here worked for Text (and credit you!).

[facebook-github-bot]

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

[facebook-github-bot]

@javache merged this pull request in 2a23069.

[react-native-bot]

This pull request was successfully merged by @meetdhanani17 in 2a23069

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