Pho Ga Soup

Name: Pho Ga Soup
Ingredients: 1 tablespoon vegetable oil; 1 small yellow onion, chopped; 1 (8 ounce) package baby bella mushrooms, chopped; 4 cloves garlic, minced; 8 cups water; 1 (6.75 ounce) package rice stick noodles (such as Maifun®); 8 teaspoons chicken bouillon; 2 cooked chicken breasts, shredded; 4 green onions, chopped; 1/3 cup chopped fresh cilantro; 2 cups bean sprouts; 1 lime, sliced into wedges; 1 dash Sriracha hot sauce, or more to taste