Gingerbread Pancakes with Cream Cheese and Rum Sauce

Name: Gingerbread Pancakes with Cream Cheese and Rum Sauce
Ingredients: 1 2/3 cups all-purpose flour (see Cook's Note); 3/4 cup sugar; 1/4 cup cornstarch; 1 tablespoon baking powder; 2 teaspoons ground ginger; 1 teaspoon ground cinnamon; 1 teaspoon ground cloves; 1/4 teaspoon baking soda; 1/2 teaspoon kosher salt; 2 cups milk; 1/4 cup molasses (not blackstrap); 3 tablespoons unsalted butter, melted; 1 teaspoon vanilla extract; 2 large eggs; 4 ounces cream cheese, at room temperature; 2 teaspoons dark rum (optional); Confectioners' sugar for serving