Duplicate model function in OMEdit should work without compromises

[OpenModelica-TracImporter]

[casella]

Original trac ticket: https://trac.openmodelica.org/OpenModelica/ticket/5346

[christiankral]

Mention @christiankral for notification reasons.

[casella]

As suggested by @AHaumer in #9646, should also work fine when duplicating entire packages.

[foobarbecue]

Trying to teach myself OMEdit now and it's pretty much a non-starter when you can't copy or modify the examples.

[casella]

Trying to teach myself OMEdit now and it's pretty much a non-starter when you can't copy or modify the examples.

@foobarbecue we are aware of that, this development is planned for the second half of 2023.