Allow 'enter' to submit class code on CampaignView (#5057)
Allow 'enter' to submit class code on CampaignView (#5057)

In the class code entry text box in campaign view for anonymous players, allow 'enter' key to submit the class code.
javatlacati/codecombat,javatlacati/codecombat,codecombat/codecombat,codecombat/codecombat,javatlacati/codecombat,javatlacati/codecombat,codecombat/codecombat,jeremiahyan/codecombat,codecombat/codecombat,jeremiahyan/codecombat,jeremiahyan/codecombat,jeremiahyan/codecombat,javatlacati/codecombat,codecombat/codecombat