Sliders don't allow direct value editing, but they act like they do

[myklemykle]

The numeric value of hsliders & vsliders is displayed in an editable text field. A user can edit a value, but when focus leaves the field the value reverts and the user's efforts are discarded.

Seen in Chrome, Firefox & Safari on macos 11.7 .

Are direct-editable values intended to be supported here?