`gpencil_engine_enabled` is uninitialized at `Film::init` time, so this replaces the check to rely on the DepsGraph instead. Pull Request: https://projects.blender.org/blender/blender/pulls/127113
`gpencil_engine_enabled` is uninitialized at `Film::init` time, so this replaces the check to rely on the DepsGraph instead. Pull Request: https://projects.blender.org/blender/blender/pulls/127113