Duplicating a v3 form results in Legacy form

As an admin, when I duplicate a v3 form I expect to have a new v3 form with the same settings, instead, I get a legacy form.

Video: [https://www.loom.com/share/9e443f4f08ef4f19b3e5a17ad32573b4?sid=6267349e-2e74-455d-85d1-710823d3f0c9|https://www.loom.com/share/9e443f4f08ef4f19b3e5a17ad32573b4?sid=6267349e-2e74-455d-85d1-710823d3f0c9|smart-link]