Once the user has picked all possible answers from a multiple answer question, the non-selected answers don't get disabled. Unlike when the question type is single.
This can be observed in question four of the demo provided (https://wingkwong.github.io/react-quiz-component)
Non-selected answers is being greyed out as expected (question type: single)

Non-selected answer isn't being greyed out (question type: multiple)

This issue allows the user to keep selecting answers even after they've selected as many answers as they are allowed, causing this in the the results page

Once the user has picked all possible answers from a multiple answer question, the non-selected answers don't get disabled. Unlike when the question type is single.
This can be observed in question four of the demo provided (https://wingkwong.github.io/react-quiz-component)
Non-selected answers is being greyed out as expected (question type: single)

Non-selected answer isn't being greyed out (question type: multiple)

This issue allows the user to keep selecting answers even after they've selected as many answers as they are allowed, causing this in the the results page
