model_dump: Handle dict rendering (#57657)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/57657
Test Plan: Clicked around a model with some dicts in it.
Reviewed By: malfet
Differential Revision: D28531397
Pulled By: dreiss
fbshipit-source-id: 069690f147e91eadd76fec5f5ca4eec057abcb98
