iOS Dictation not usable in TextInput

[tylertsoi]

Description

Focus in the TextInput, choose dictation and start recording
Only First word is input to TextInput

if _.debounce is used, multiple words can be displayed but still not showing the full text in the recording. Keyboard input may has issue after _.debounce is used.

Reproducible Demo

Simply use component in a View,
<TextInput
onChangeText={(username) => this.setState({username})}
value={this.state.username}
/>
Choose Dictation in the keyboard view,
Start recording and wait for recognition
->issue reproduced

[react-native-bot]

We are automatically closing this issue because it does not appear to follow any of the provided issue templates.

Please make use of the bug report template to let us know about a reproducible bug or regression in the core React Native library.

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[lbelavoir]

Possibly related to #18890 and the possible PR for it here: #19687