You can file them both at the same time. The only reason you would want to file the federal first would be if you are unsure that it will be accepted for some reason, in which case you could change it and resubmit it without having to amend your state return. But if there is nothing unusual about it, you can file both of them at the same time, it won't affect how they are processed.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
