Python Script Object to IValue (#91776)
Summary: * when we try to port py obj of script module/obj to c++, `tryToInferType` is flawed in providing type inference metadata. but change it would break normal torch.jit.script flow, so we try extract the ivalue in the py obj value.
Test Plan: NA
Reviewed By: PaliC
Differential Revision: D41749823
Pull Request resolved: https://github.com/pytorch/pytorch/pull/91776
Approved by: https://github.com/842974287
