Fix div(scalar, tensor) case for nvFuser (#80341)
This PR fixes a typo in nvFuser for `div(scalar, tensor)` unlocking the tests for `_refs.true_divide` and `_refs.sigmoid`.
Same PR with a C++ test to the nvFuser devel branch: https://github.com/csarofeen/pytorch/pull/1778.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/80341
Approved by: https://github.com/ngimel
