Fix print labels devices

ereuse_devicehub/static/js/main_inventory.js

@@ -111,6 +111,8 @@ window.addEventListener("DOMContentLoaded", () => {
         } else {
             btnSelectAll.disabled = false;
         }
+
+        get_device_list();
     }
 
     TableController.getAllDevices().forEach(item => {

ereuse_devicehub/templates/inventory/device_list.html

@@ -392,7 +392,7 @@
                     {% for doc in lot.trade.documents %}
                     <tr>
                       <td>
-                        {% if doc.url.to_text() %}
+                        {% if doc.url %}
                           <a href="{{ doc.url.to_text() }}" target="_blank">{{ doc.file_name}}</a>
                         {% else %}
                           {{ doc.file_name}}