allow additional Sabre plugins in publicwebdav.php

Signed-off-by: Julien Veyssier <julien-nc@posteo.net>

apps/dav/appinfo/v1/publicwebdav.php

@@ -111,6 +111,9 @@ $server = $serverFactory->createServer($baseuri, $requestUri, $authPlugin, funct
 
 $server->addPlugin($linkCheckPlugin);
 $server->addPlugin($filesDropPlugin);
+// allow setup of additional plugins
+$event = new \OCP\SabrePluginEvent($server);
+\OC::$server->getEventDispatcher()->dispatch('OCA\DAV\Connector\Sabre::addPublicPlugin', $event);
 
 // And off we go!
 $server->exec();