[Dynamo] Fix for tuple construction from tuple iterators (#97862)
Fixes #93405
In short - when calling the builtin function `Tuple` on a list variable we added a list length guard. This paired with converting tuple iterators to a ListIteratorVariable resulted in this guard being improperly added.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/97862
Approved by: https://github.com/yanboliang, https://github.com/jansel
