[nnc] Sanitized the names of constants in the input graph. (#63990)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/63923
The input graph can contain constants whose names contain special characters. So, all names of constants in the input graph need to be sanitized.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63990
Reviewed By: ZolotukhinM
Differential Revision: D30558432
Pulled By: navahgar
fbshipit-source-id: de5b0c23d50ee8997f40f2c0fc605dda3719186f
