feat(inventory): update form submission to use async function in InventoryConsumeForm and InventoryEditForm

frontend/app/inventory/InventoryConsumeForm.tsx

@@ -36,7 +36,7 @@ export default function InventoryConsumeForm({ id, unit }: Props) {
       }}
     >
       <form
-        onSubmit={(e) => {
+        onSubmit={async (e) => {
           e.preventDefault();
           setError(null);
           const form = e.currentTarget;

frontend/app/inventory/InventoryEditForm.tsx

@@ -72,7 +72,7 @@ export default function InventoryEditForm({ item }: Props) {
       }}
     >
       <form
-        onSubmit={(e) => {
+        onSubmit={async (e) => {
           e.preventDefault();
           setError(null);
           const form = e.currentTarget;