Green Papaya Salad (Vietnamese)

1 can (1 lb.) salmon 1/2 cup chopped onion 1/4 cup melted fat or oil 1/3 cup salmon liquid 1/3 cup dry bread crumbs 2 eggs, beaten 1/4 cup chopped parsley 1 tsp. powdered mustard 1/2 tsp. salt 1/2 cup dry bread crumbs (for rolling) 1/3 cup mayonnaise or salad dressing 1 tbsp. chopped sweet…