fix: cleanup default value for product field

bin/controls/fields/windows/Field.js

@@ -85,6 +85,8 @@ define('package/quiqqer/products/bin/controls/fields/windows/Field', [
             this.$Field.submit().then(function () {
                 self.fireEvent('save', [self]);
                 self.close();
+            }, function() {
+                self.Loader.hide();
             });
         }
     });

src/QUI/ERP/Products/Field/Field.php

@@ -651,7 +651,7 @@ public function getDefaultValue()
     public function setDefaultValue($value)
     {
         $this->validate($value);
-        $this->defaultValue = $value;
+        $this->defaultValue = $this->cleanup($value);
     }
 
     /**