Fix missing PDF generation menu (#515)

* Fix(Order): Fix PDF generation menu

* adapt changelog

---------

Co-authored-by: Romain B. <8530352+Rom1-B@users.noreply.github.com>

Author: stonebuzz

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 
+- Fix missing PDF generation menu
 - Fix warning: Invalid relations declared between `glpi_plugin_order_accountsections` and `glpi_plugin_order_accountsections` table.
 
 ## [2.12.3] - 2025-11-25

inc/order.class.php

@@ -655,7 +655,13 @@ public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
                 || static::canGenerateWithoutValidation())
             ) {
                 // generation
-                $ong[2] = __s("Purchase order", "order");
+                $ong[2] = self::createTabEntry(
+                    __s("Purchase order", "order"),
+                    0,
+                    null,
+                    'ti ti-file-type-pdf',
+                );
+
             }
 
             return $ong;