Chicken Strip Wrap with Sweet Mustard

Name: Chicken Strip Wrap with Sweet Mustard
Ingredients: 2 chicken breasts; 1 egg; 2 tablespoons water; 1/4 cup all-purpose flour; 1 tablespoon poultry seasoning; Salt and freshly ground black pepper; 1 cup panko bread crumbs; 4 whole-wheat flour tortillas; 1/2 cup shredded Cheddar; 1/4 head iceberg lettuce, shredded; 1 pickle, diced; 1/4 cup spicy brown mustard; 2 tablespoons mayonnaise; 1 tablespoon packed brown sugar