e97443478e
In `Orphan Data` (or `Blender File`) view, the ID pointer of the actions's parent tree-element wasn't actually pointing to an ID, but to the list-base containing the IDs. Early out (with a warning) if the object or object-data to unlink the action from is not clear. Caused by rBb4a2096415d9. Similar to rBe772087ed664. Maniphest Tasks: T102797 Differential Revision: https://developer.blender.org/D16635