Re-enable the sabredav browser plugin

apps/files/appinfo/remote.php

@@ -41,6 +41,7 @@ $server->setBaseUri($baseuri);
 $defaults = new OC_Defaults();
 $server->addPlugin(new Sabre_DAV_Auth_Plugin($authBackend, $defaults->getName()));
 $server->addPlugin(new Sabre_DAV_Locks_Plugin($lockBackend));
+$server->addPlugin(new Sabre_DAV_Browser_Plugin(false));
 $server->addPlugin(new OC_Connector_Sabre_FilesPlugin());
 $server->addPlugin(new OC_Connector_Sabre_AbortedUploadDetectionPlugin());
 $server->addPlugin(new OC_Connector_Sabre_QuotaPlugin());