My dd, now almost 18, has been the queen of picky eaters. Peanut butter, pasta with butter only, chicken nuggets, some pizza were her staples. Eating at WDW was never an issue. She was always able to find something to eat at any restaurant. Disney is set up for picky eaters.
She was always able to find chicken nuggets, fries, pizza, mini-hot dogs at almost every restaurant.
My son is the pickiest eater. No nuggets, fries, hot dogs, chicken, sandwiches of any kind, pasta, etc. He eats breakfast foods (waffles, pancakes, some muffins), certain kinds of pizza, soft pretzels, some fruit (grapes, apples, watermelon). I wish he ate any of the things you mentioned
She finally outgrew most of that pickyness....now she even eats steak and cesear salad!!! We're so proud...