fix: WIP views using handle_stripe_payment returning temp url

ecommerce/extensions/payment/views/stripe.py

@@ -228,15 +228,17 @@ def post(self, request):
         try:
             with transaction.atomic():
                 try:
-                    self.handle_payment(stripe_response, basket)
+                    self.handle_stripe_payment(stripe_response, basket)
                 except CardError as err:
                     return self.stripe_error_response(err)
         except:  # pylint: disable=bare-except
             logger.exception('Attempts to handle payment for basket [%d] failed.', basket.id)
             return self.error_page_response()
 
-        # JK need a response, temp
-        return JsonResponse({}, status=200)
+        # JK: need a response, temp to Payment MFE but need a loading URL
+        return JsonResponse({
+            'payment_mfe_loading_url': self.request.site.siteconfiguration.payment_microfrontend_url,
+        }, status=201)
 
     def error_page_response(self):
         """Tell the frontend to redirect to a generic error page."""