[quant][graphmode] Support propagate dequantize for nodes with multiple outputs (#39551)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/39551
e.g. prim::ListUnpack
Test Plan: Imported from OSS
Differential Revision: D21942108
fbshipit-source-id: 6fd7c972ca70692ec52c296b6a1e858324e66c12
