"Hide" class added to freight in order resume

Why checkout adds this “hide” class, adding a display none to the freight options in the resume of order?

Lib comes from VTEX (and also bootstrap.min.css, from vtex)
https://io2.vtex.com/checkout-ui/v6.111.1/style/style.css

Please notice this is not coming from any customization from our part as developers.