ACP2E-3472: [CLOUD] Shipping calculation is not considering the shopping cart rule

Author: aplapana

app/code/Magento/Checkout/view/frontend/web/js/model/shipping-rates-validator.js

@@ -85,8 +85,9 @@ define([
                 uiRegistry.async(formPath + '.' + field)(self.doElementBinding.bind(self));
             });
             let regionId = uiRegistry.async(formPath + '.region_id');
-
-            this.bindHandler(regionId(), self.validateDelay);
+            if (regionId() !== undefined) {
+                this.bindHandler(regionId(), self.validateDelay);
+            }
         },
 
         /**