3f555ee027
Add guards to the RNA code to prevent the creation of legacy data on a layered Action, and vice versa. On a legacy Action, it is now impossible to create new layers or bindings. On a layered Action, it's now impossible to create legacy F-Curves or groups. Refactor: Anim: rename bl_animation_id.py to bl_animation_action.py The `Animation` datablock is no more, and this file tests `Action`. No functional changes. Pull Request: https://projects.blender.org/blender/blender/pulls/122483