[PyTorch] Fix static runtime sigrid_hash precomputed multiplier pass (#120851)
This pass was broken.
Differential Revision: [D54336561](https://our.internmc.facebook.com/intern/diff/D54336561/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D54336561/)!
Pull Request resolved: https://github.com/pytorch/pytorch/pull/120851
Approved by: https://github.com/houseroad
