css fix of remove icon and Fixed a bug where the discount coupon applied...

... ‘disappeared’

 when changing the quantity between enrollment vs reg code cart types.
I'm confused here.  We have an if/else where-in, if the cart item is "paidcourseregistration' we add a CourseRegcodeItem. If the cart item is "courseregcodeitem" we add a PaidCourseRegistration?