Fixed the inventory registry field not trimming whitespace

include/Ajax.php

@@ -164,7 +164,7 @@ class Ajax extends Responder {
         }
         $product = null;
         try {
-            $product = new Product($_POST['serial'], 'serial');
+            $product = new Product(trim($_POST['serial']), 'serial');
         } catch(Exception $e) {
             return new Failure('Ogiltigt serienummer.');
         }