[producer] Erreur JS quand producer.order_infos = null

producer/views/order/order.php

@@ -279,7 +279,7 @@ $this->setTitle('Commander') ;
                 </transition>
             </div>
         </div>
-        <div id="infos" v-if="producer != null && producer.order_infos.length">
+        <div id="infos" v-if="producer != null && producer.order_infos != null && producer.order_infos.length">
             <div class="panel panel-default">
                 <div class="panel-heading">
                     Informations