Extra/SearchField: Clear the search field on Escape pressed
Otherwise the event is treated at a higher level, usually to dismiss a dialog or a full representation, which may be unexpected or annoying for the user.
Just do that if the user already started typing something. If the search field is empty we pass the event forward (as previously) so a quick dismiss is still available.
This was brought up in the @teams/vdg chat, with the paradigmatic example of the search bar in kickoff