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2fada8dc - [bug fix] fixes #6444 - checkpointing save issue in advanced dreambooth lora sdxl script (#6464)

[bug fix] fixes #6444 - checkpointing save issue in advanced dreambooth lora sdxl script (#6464) * unwrap text encoder when saving hook only for full text encoder tuning * unwrap text encoder when saving hook only for full text encoder tuning * save embeddings in each checkpoint as well * save embeddings in each checkpoint as well * save embeddings in each checkpoint as well * Update examples/advanced_diffusion_training/train_dreambooth_lora_sdxl_advanced.py Co-authored-by: Sayak Paul <spsayakpaul@gmail.com> --------- Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>