[Inductor] Fix CPU vectorized implementation of mask calculation that breaks torch.where (#93922)
Fix https://github.com/pytorch/pytorch/issues/93374
The cause of the issue is that the original vectorized float mask calculation doesn't consider the broadcast case. This PR adds the support.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/93922
Approved by: https://github.com/XiaobingSuper, https://github.com/desertfire, https://github.com/jansel
