added blocking call for createOrRetrieveCustomer in get_stripe_url ed…

…ge function (#92)

supabase/functions/get_stripe_url/index.ts

@@ -5,7 +5,7 @@ import { posthog } from "../_shared/posthog.ts";
 
 clientRequestHandlerWithUser(async (req, user) => {
   const { price: priceId, return_url } = await req.json();
-  const stripeCustomerId = createOrRetrieveCustomer({
+  const stripeCustomerId = await createOrRetrieveCustomer({
     uuid: user.id,
     email: user.email || "",
   });