Display catalog key in catalog dropdown for editors and admins when creating/editing projects

[jochenklar]

See title.

[MyPyDavid]

similar to #448?

this should also be covered with the new UI of the 2.0.0 release
can be closed?

[jochenklar]

I think this was about having the catalog uri when creating/updating projects, but only for editors/admins. Idk why I wrote dropdown. So this is not implemented yet.