Wild Mushroom Spring Rolls With Chinese Mustard Dipping Sauce

Name: Wild Mushroom Spring Rolls With Chinese Mustard Dipping Sauce
Ingredients: 2 tablespoons extra virgin olive oil; 1 tablespoon minced garlic; 1⁄2 tablespoon grated fresh ginger; 2 scallions, sliced thin; 1 lb mixed wild mushroom (such as chanterelle, crimini, oyster, shiitake); 2 cups shredded napa cabbage; 1 carrot, grated; 1 tablespoon hoisin sauce; 1 tablespoon oyster sauce; 2 ounces bean thread noodles, blanched and chopped; 1⁄2 cup bean sprouts; 2 tablespoons chopped cilantro leaves; kosher salt; fresh ground black pepper; spring roll wrappers; 1 egg, beaten; vegetable oil, for frying; Mustard Dipping Sauce; 1⁄2 cup Dijon mustard; 1⁄4 cup hot water; 1⁄4 cup rice vinegar; 1 teaspoon toasted sesame oil; 1 tablespoon sugar