fix stripe payment intent

backend/src/main/java/com/petshop/backend/service/CartService.java

@@ -300,6 +300,10 @@ public class CartService {
             PaymentIntentCreateParams params = PaymentIntentCreateParams.builder()
                     .setAmount(amountInCents)
                     .setCurrency("usd")
+                    .setAutomaticPaymentMethods(
+                            PaymentIntentCreateParams.AutomaticPaymentMethods.builder()
+                                    .setEnabled(true)
+                                    .build())
                     .putMetadata("cartId", String.valueOf(cart.getCartId()))
                     .putMetadata("userId", String.valueOf(userId))
                     .build();