Refine question guessing mode

Update the question guessing mode to not reveal the number directly. Instead, it should grey out numbers that are eliminated by the user's answer.

src/components/GuessingGame.tsx

@@ -482,6 +482,7 @@ const GuessingGame: React.FC<GuessingGameProps> = ({ showSocialShare = true }) =
               userGuess={userGuess}
               setUserGuess={setUserGuess}
               onGuess={handleGuess}
+              onUpdateValidNumbers={setValidNumbers}
             />
           )}