[WIP] skip constant folding dequant node (#63991)
Summary:
This PR makes Constant Propagation to ignore dequant nodes.
https://github.com/pytorch/pytorch/issues/61092
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63991
Reviewed By: pbelevich
Differential Revision: D31363993
Pulled By: Krovatkin
fbshipit-source-id: 99f7c56a4381aff2cbdf1167508414cf240e9f75
