diffusers

0703ce88 - [Single File] Add single file loading for SANA Transformer (#10947)

[Single File] Add single file loading for SANA Transformer (#10947) * added support for from_single_file * added diffusers mapping script * added testcase * bug fix * updated tests * corrected code quality * corrected code quality --------- Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>