Copy fields between forms

I apologize if this request is already been made. But it would be great to be able to copy / paste fields between different forms as an alternative to duplicating the whole form. It would be very useful if we could select one or several already edited fields to copy them and after paste them in another form in the same web or another website.

I would also love to have the option to change the selected form in the FF block inside the block editor. Currently, once you insert the block and select the form, it's impossible to change your selection. You have to delete the block and insert a new one.

Thnaks!