fix: ora il timer del tempo consuntivato si aggiorna ogni 60 secondi.

public/js/views/ticketList.js

@@ -237,6 +237,7 @@ const TicketListView = {
           <option value="50" ${per_page === 50 ? 'selected' : ''}>50</option>
           <option value="100" ${per_page === 100 ? 'selected' : ''}>100</option>
           <option value="200" ${per_page === 200 ? 'selected' : ''}>200</option>
+          <option value="500" ${per_page === 500 ? 'selected' : ''}>500</option>
         </select>
       </div>
     `;