[SANA LoRA] sana lora training tests and misc. (#10296)
* sana lora training tests and misc.
* remove push to hub
* Update examples/dreambooth/train_dreambooth_lora_sana.py
Co-authored-by: Aryan <aryan@huggingface.co>
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Co-authored-by: Aryan <aryan@huggingface.co>