Viz: "show failures" should be implicitly disabled when input matches
Viz: "show failures" should be implicitly disabled when input matches

If we implicitly turn on "show failures" when the input fails to match,
we should also turn it off implicitly when the input string is edited,
causing it to succeed.


coopsource/ohm,harc/ohm,coopsource/ohm,coopsource/ohm,cdglabs/ohm,cdglabs/ohm,harc/ohm,cdglabs/ohm,harc/ohm