Add size units to carousel offsets

Prerequisites • I have searched for similar feature requests in both open and closed discussions and cannot find an existing request. • I have verified that the feature is still missing from the latest stable versions of Elementor or Elementor Pro. What problem is your feature request going to solve? Please describe.. Using the carousel widget, you can under settings set Offset sides and Offset Width - But Offset width is a number input. Meaning that you can't set it to take percentages or calculations.  I tested it in custom css with the following rule : selector { --e-n-carousel-swiper-offset-size:calc(20%) !i…