[Kandinsky] Add combined pipelines / Fix cpu model offload / Fix inpainting (#4207)
* Add combined pipeline
* Download readme
* Upload
* up
* up
* fix final
* Add enable model cpu offload kandinsky
* finish
* finish
* Fix
* fix more
* make style
* fix kandinsky mask
* fix inpainting test
* add callbacks
* add tests
* fix tests
* Apply suggestions from code review
Co-authored-by: YiYi Xu <yixu310@gmail.com>
* docs
* docs
* correct docs
* fix tests
* add warning
* correct docs
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Co-authored-by: YiYi Xu <yixu310@gmail.com>