Feature Request: Allow re-ordering of fields

[NeonDevil]

Please allow reordering of fields, including moving in to or out of object groups.

[lovasoa]

That would be very nice 👍

Please do it, and open a pull request

[ctsstc]

Definitely a feature I was expecting/hoping for. Otherwise you have to one-shot this it feels like : (

[ctsstc]

I may have something for this. It works, but needs a bit more beautification, as well as drop zones at the start/end.