Improve pipeline_stable_diffusion_inpaint_legacy.py (#1585)
* update inpaint_legacy to allow the use of predicted noise to construct intermediate diffused images
* Update src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion_inpaint_legacy.py
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
