Bugfix: Reload file list after accepting a remote share

We've fixed a bug where the file list would not reload after accepting a remote share.

https://github.com/owncloud/web/pull/6942
https://github.com/owncloud/web/issues/1774
https://github.com/owncloud/web/issues/4247
https://github.com/owncloud/web/issues/4839
