Fix: restore requires_grad after _save_converted_model to work around peft inject_adapter side effect#9452

Jintao-Huang merged 2 commits into

modelscope:mainmodelscope/ms-swift:mainfrom

kiritozc:fix/restore-requires-grad-after-save-convertedkiritozc/ms-swift:fix/restore-requires-grad-after-save-convertedCopy head branch name to clipboard