add ChronoEdit (#12593)
* add ChronoEdit
* add ref to original function & remove wan2.2 logics
* Update src/diffusers/pipelines/chronoedit/pipeline_chronoedit.py
Co-authored-by: YiYi Xu <yixu310@gmail.com>
* Update src/diffusers/pipelines/chronoedit/pipeline_chronoedit.py
Co-authored-by: YiYi Xu <yixu310@gmail.com>
* add ChronoeEdit test
* add docs
* add docs
* make fix-copies
* fix chronoedit test
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Co-authored-by: wjay <wjay@nvidia.com>
Co-authored-by: YiYi Xu <yixu310@gmail.com>
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
