[FIX] website_sale: fix new checkout display

Fix "Remove cart line button isn't a proper link"
Fix "col-md for title (Billing Address, Shipping Address) where 'The underline of the title stops too early'
Fix "First load from adress, display zip/city in right order to avoid flickering if zip/city instead of city/zip
Fix "Select the billing address as the shipping after edit the billing address from the shipping list"
Fix "Disable the selection of address in checkout while in edit mode"
Fix "Fix validation of the extra checkout step: 'extract_data got an exepected keyword argument'