fix methods names

Author: luancazarine

components/zenventory/sources/new-customer-order/new-customer-order.mjs

@@ -30,7 +30,7 @@ export default {
       };
     },
     getFunction() {
-      return this.zenventory.listCustomerOrder;
+      return this.zenventory.listCustomerOrders;
     },
     getDataField() {
       return "customerOrders";

components/zenventory/sources/new-purchase-order/new-purchase-order.mjs

@@ -19,7 +19,7 @@ export default {
       };
     },
     getFunction() {
-      return this.zenventory.listPurchaseOrder;
+      return this.zenventory.listPurchaseOrders;
     },
     getDataField() {
       return "purchaseOrders";