Pressing Enter on a person's name committed it and then kept the field
focused, so on a tablet the on-screen keyboard stayed up over the faces
the user had pressed Enter to get back to. The name looked accepted and
the screen looked stuck.
`Field` grows `release-focus()`, the other half of the `take-focus()` it
already had, and the Identity screen calls it from `accepted`. A function
rather than a property for the reason the existing one gives: focus is an
event, and bound to a property it would fight anything else that took it.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
dtourolleandClaude Opus 5
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