The Perfect Instant Pot Soy Chicken

Name: The Perfect Instant Pot Soy Chicken
Ingredients: 6 dried shiitake mushrooms, rehydrated in room temperature water for at least 1 hour; 1/2 cup cubed bacon; 3 pods star anise; 1 bay leaf; 1 cinnamon stick; 1 tablespoon whole white peppercorns; 2 tablespoons neutral oil (such as avocado, safflower, or grapeseed); 3 tablespoons brown sugar, light or dark; 1/2 cup sliced fresh ginger; 6 garlic cloves, smashed; 3 shallots, peeled and halved; 2 scallions, trimmed and cut to 3-inch lengths; 2 red chile peppers (such as cayenne); 2 tablespoons fermented black bean sauce (optional); 1/4 cup Shaoxing cooking wine or dry sherry; 1/2 cup light soy sauce; 1/4 cup dark soy sauce; 1 (3 to 3 1/2–pound) whole chicken; 1 to 2 cups water; 1 tablespoon Chinese black vinegar; 2 tablespoons sesame oil