store search in session (#2735)

* allow to detect used query filters
* allow to set label in action buttons
* allow to reset last search from session
* migrate invoice archive to new search system
* display number of used search filters

src/Controller/ExportController.php

@@ -134,11 +134,8 @@ class ExportController extends AbstractController
         $end = $this->getDateTimeFactory()->getEndOfMonth();
 
         $query = new ExportQuery();
-        $query->setOrder(ExportQuery::ORDER_ASC);
         $query->setBegin($begin);
         $query->setEnd($end);
-        $query->setState(ExportQuery::STATE_STOPPED);
-        $query->setExported(ExportQuery::STATE_NOT_EXPORTED);
         $query->setCurrentUser($this->getUser());
 
         return $query;