Avoid exception driven logic

lib/Alchemy/Phrasea/Controller/Prod/MoveCollection.php

@@ -28,9 +28,10 @@ class MoveCollection implements ControllerProviderInterface
     {
         $controllers = $app['controllers_factory'];
 
+        $app['firewall']->addMandatoryAuthentication($controllers);
+
         $controllers->before(function (Request $request) use ($app) {
-            $app['firewall']->requireAuthentication()
-                ->requireRight('addrecord')
+            $app['firewall']->requireRight('addrecord')
                 ->requireRight('deleterecord');
         });