[#3011] Ensure seeked event is registered before currenttime change on scrubber mouse down.
[#3011] Ensure seeked event is registered before currenttime change on scrubber mouse down.

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