Refactor some internal DEG_iterator code into public functions. This shouldn't cause any functional change, but it's required for #140378. Pull Request: https://projects.blender.org/blender/blender/pulls/140674
Refactor some internal DEG_iterator code into public functions. This shouldn't cause any functional change, but it's required for #140378. Pull Request: https://projects.blender.org/blender/blender/pulls/140674