Add TRIGGER_PREFIX in order (commande) class (#35268)

Co-authored-by: Laurent Destailleur <eldy@destailleur.fr>

htdocs/commande/class/commande.class.php

@@ -57,6 +57,12 @@ class Commande extends CommonOrder
 	 */
 	public $element = 'commande';
 
+	/**
+	 * @var string		Prefix to check for any trigger code of any business class to prevent bad value for trigger code.
+	 * @see CommonTrigger::call_trigger()
+	 */
+	public $TRIGGER_PREFIX = 'ORDER';
+
 	/**
 	 * @var string Name of table without prefix where object is stored
 	 */