Convert KeyboardAvoidingView to function component

[ahmdshrif]

Summary:

Converts KeyboardAvoidingView from a class component to a function component, matching the recent conversions of ImageBackground (#56355), RefreshControl (#56354) and Modal (#56348).

Because the component is no longer a class, a ref on <KeyboardAvoidingView> now forwards to the underlying View (so it exposes the View methods like measure, setNativeProps, …) instead of resolving to the KeyboardAvoidingView class instance. KeyboardAvoidingViewInstance is re-typed to the View ref accordingly.

Changelog:

[GENERAL] [CHANGED] - Convert KeyboardAvoidingView to function component

Test Plan:

yarn flow and yarn jest packages/react-native/Libraries/Components/Keyboard pass.

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[github-actions]

Warning

JavaScript API change detected

This PR commits an update to ReactNativeApi.d.ts, indicating a change to React Native's public JavaScript API.

• Please include a clear changelog message.
• This change will be subject to additional review.

This change was flagged as: POTENTIALLY_BREAKING

[meta-codesync]

@fabriziocucci has imported this pull request. If you are a Meta employee, you can view this in D107854206.