Update apps/webapp/app/routes/api.v1.plain.customer-cards.ts

Co-authored-by: devin-ai-integration[bot] <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: nicktrn

apps/webapp/app/routes/api.v1.plain.customer-cards.ts

@@ -140,7 +140,7 @@ export async function action({ request }: ActionFunctionArgs) {
       ? { email: customer.email }
       : null;
 
-    const user = where ? await prisma.user.findUnique({ where, include: userInclude }) : null;
+    const user = where ? await prisma.user.findFirst({ where, include: userInclude }) : null;
 
     // If user not found, return empty cards
     if (!user) {