[Reland] Add atan2 isfinite isinf isnan isneginf isposinf isreal to nvfuser and its frontend (#76769)
This reverts commit 4bb59441339074515a4257704acca6ebd80826cc.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/76769
Approved by: https://github.com/csarofeen, https://github.com/mruberry
