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3d707773 - [Sana-4K] (#10537)

[Sana-4K] (#10537) * [Sana 4K] add 4K support for Sana * [Sana-4K] fix SanaPAGPipeline * add VAE automatically tiling function; * set clean_caption to False; * add warnings for VAE OOM. * style --------- Co-authored-by: yiyixuxu <yixu310@gmail.com>