Since the head of your bed goes up, you won’t need to get a wedge pillow. It sounds like you’re set up very well for after surgery. That is good. It’s a good idea to get some soft, easy to eat foods like yogurt, soups, protein drinks, & things easy to chew/swallow like mashed potatoes, applesauce, cottage cheese, etc., in case your jaw is sore after the surgery & it’s hard to chew.
Here’s a simple surgery shopping list that Seamom posted a few years ago: