Cha Gio Vietnamese Fried Spring Rolls

Name: Cha Gio Vietnamese Fried Spring Rolls
Ingredients: 1 tablespoon vegetable oil; 1 tablespoon fish sauce; 1/3 cup rehydrated wood ear mushrooms (finely chopped (about 30g)); 1 teaspoon ginger (grated); 1 cup warm water (for soaking rice wrappers, about 250 ml); 1/2 teaspoon salt; 2 medium carrots (grated (around 190g)); 3 teaspoons sugar (12g, divided); 1 pound ground pork (70-80% lean, about 450g); 1 tablespoon chopped scallions (optional); 50 g dried mung bean noodles (1 package); 1 clove garlic (minced); 1 egg white; 1/4 teaspoon ground white pepper; 1/4 cup shallots (finely chopped (about 30g)); 1/2 teaspoon sesame oil (optional); 20 dried rice paper wrappers (bánh tráng); Canola or vegetable oil (for frying); Nuoc cham dipping sauce (check out a detailed recipe for this!); Fresh green leaf lettuce (cilantro, Thai basil, and mint for a fresh accompaniment.)