Hey Steve! We actually just GA-ed a bunch of Pipeline Builder <> ontology improvements, one of which will allow you to allow edits in pipeline builder and OMA (see screenshot where you can toggle the allow edits in PB)
If it’s not on your stack yet, and you need it ASAP, you can also disown the object (second screenshot)
We’ll be updating the docs this week to include all of the latest features so keep an eye out!