Add Close X feature to Off-Canvas element

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.. The new Off-Canvas widget should have similar X Close features as the Popup templates do. Describe the solution you'd like. An optional Close X control should be available in the Off-Canvas widget similar to the Popup template tools. It should provide a default icon and allow users to override with one from the icon library or an uploaded SVG. It should also be able to be disabled if the user wishes to use a different widget or link to close the Off-Canvas so that there is still lots of flexibility. Describe alternatives you've considered. The alternative is to insert an icon widget which is fine but less convenient and user-friendly. Furth…