[quant][graphmode][jit][api] Expose preserved_attrs from finalize to convert_jit (#44490)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/44490
Test Plan: Imported from OSS
Reviewed By: z-a-f
Differential Revision: D23631142
fbshipit-source-id: f0913f0cb4576067e2a7288326024942d12e0ae0