[fields] Explore the feasibility of using event.nativeEvent.data

[LukasTy]

Follow-up on #9896

Maybe using event.nativeEvent.data could be the default for editing in order to avoid the need for so much processing of the event.target.value.
It would increase the performance for the majority of users and cases.

[flaviendelangle]

Closing since we are moving toward a new DOM structure with multi HTML element

Feel free to re-open it if you think we will modify the old implementation 👍

[github-actions]

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