[LoRA] feat: lora support for SANA. (#10234)
* feat: lora support for SANA.
* make fix-copies
* rename test class.
* attention_kwargs -> cross_attention_kwargs.
* Revert "attention_kwargs -> cross_attention_kwargs."
This reverts commit 23433bf9bccc12e0f2f55df26bae58a894e8b43b.
* exhaust 119 max line limit
* sana lora fine-tuning script.
* readme
* add a note about the supported models.
* Apply suggestions from code review
Co-authored-by: Aryan <aryan@huggingface.co>
* style
* docs for attention_kwargs.
* remove lora_scale from pag pipeline.
* copy fix
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Co-authored-by: Aryan <aryan@huggingface.co>
