Shipement ODT Extra Fields

[danloic]

Bug

[Short description]
In Dolibarr V12.00 and V13.00 (Not test on other version) The Extra Fields in shipment generator page who come from product not working. Example: {line_product_options_XXX}

Environment

• Version: [Affected Dolibarr version(s)]12.00 - 13.00
• OS: [Server OS type and version]Windows Server 2016, Windows 10
• Web server: [Webserver type and version]Apache
• PHP: [PHP version]
• Database: [Database type and version]
• URL(s): [Affected URL(s)]http://localhost/dolibarr/expedition/card.php?id=7#builddoc

Steps to reproduce the behavior

[Verbose description]
Add an Extra Field to the product and add this same extra field to the template shipment ODT, generat the document and open it.

I think but I am not sur, the problem come from these lines in commundocgenerator.class.php