upload fields not consistent when editing productr

	if(isset($productData['order_id'])) {
		$product = new stdClass();
		foreach($productData as $key => $value) {
			hikashop_secureField($key);
			$product->$key = $safeHtmlFilter->clean($value, 'string');
		}

	if(isset($productData['order_id'])) {
		$product = new stdClass();

		$fieldClass = hikashop_get('class.field');
		$oldData = null;
		$item_fields = $fieldClass->getData('backend', 'item');
		$fieldClass->_checkOneInput($item_fields, $productData, $product, 'item', $oldData);

		foreach($productData as $key => $value) {
			hikashop_secureField($key);
			if(isset($items_fields[$key]))
				continue;
			$product->$key = $safeHtmlFilter->clean($value, 'string');
		}