[#2451] Guard against NaN when setting currentTime to 0 on a trackEvent being opened
[#2451] Guard against NaN when setting currentTime to 0 on a trackEvent being opened

mozilla/butter,mbuttu/butter,BBGInnovate/butter,robinparadise/videoquizmaker,robinparadise/videoquizmaker,mbuttu/butter,mozilla/butter,mbuttu/butter,BBGInnovate/butter