Add a "Mark As Not Complete" option to the questions in a timed exam - use yellow background in number buton

[barbarer]

Is your feature request related to a problem? Please describe. When taking a timed exam, I have had a student who ran the code once got an error and then went on to another question. The number button was marked as gray since she ran the code, but she needed to come back to finish the problem. It would help if she had a way to mark the question as one to revisit.

Describe the solution you'd like Add a checkbox that is off by default that says "Revist this question" when the user clicks that box set the color of the number button to yellow to indicate that you want to return to it. The user should also be able to uncheck it when done.

Describe alternatives you've considered None

Additional context None

[eppersonb]

@eppersonb and @ebenezer997 are working on this