103f494062
The issue is that the action line may be there, but containing no action,
`bAnimListElem->data` pointer is a nullptr.
caused by b952782a44
In this refactor the function call was changed from
`BKE_action_frame_range_get` which could handle
the case of a nullptr passed to it.
Pull Request: https://projects.blender.org/blender/blender/pulls/129648