MenuSelectWidgets: Don't unconditionally hide all descendant inputs
MenuSelectWidgets: Don't unconditionally hide all descendant inputs

This rule seems to be unused and I can't find where it was introduced,
and it's overly broad, hiding all inputs even those inside of options.

Bug: T164550
Change-Id: Id8e095a1a82bf436baebb9af8e9733508eed2371

wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui