* Add checkout skeleton as loading state and remove placeholder text from save method
* Hide skeleton when not loading
* add loading class
* Update snap
* Fix address form layout broken because select was occupying too much space
* Fix shipping rates appearing in the Checkout sidebar
* Center button text
* Set min-height to 0 for Country & State hidden inputs
* Fix button styles broken in the Cart block in editor
* Avoid having editor.scss specific stylesheets for button and totals
* Move Button inside cart-checkout subfolder
Mike Jolley
Albert Juhé Lluveras