Gluten free vegan zucchini noodle japchae

Name: Gluten-free vegan zucchini noodle japchae
Ingredients: 1 teaspoon sesame oil; 1/2 brown onion, sliced; 2 spring onions, chopped; 2 garlic cloves, minced; 1 carrot, julienned; 1/2 cup shiitake mushrooms, thinly sliced; 2 tablespoons gluten-free soy sauce; 2 teaspoons rice wine vinegar; 1 teaspoon coconut sugar; 1 cup baby spinach; 3 zucchinis, spiralized; 1 tablespoon white sesame seeds, to serve; Small handful of chives, to serve