Fix cart update

Was not working after latest update to plugin

Author: w3bdesign

utils/gql/GQL_MUTATIONS.js

@@ -88,7 +88,7 @@ export const UPDATE_CART = gql`
         key
         product {
           id
-          productId
+          databaseId
           name
           description
           type
@@ -111,7 +111,7 @@ export const UPDATE_CART = gql`
         }
         variation {
           id
-          variationId
+          databaseId
           name
           description
           type
@@ -142,22 +142,22 @@ export const UPDATE_CART = gql`
         key
         product {
           id
-          productId
+          databaseId
         }
         variation {
           id
-          variationId
+          databaseId
         }
       }
       updated {
         key
         product {
           id
-          productId
+          databaseId
         }
         variation {
           id
-          variationId
+          databaseId
         }
       }
     }