Do reload shared views
Do reload shared views

Fixes #4248

The magic introduced in #3686 caused the shared views not to be updated
properly. Thus we just overwrite the _onUrlChange method in the
sharedfilelist.

Signed-off-by: Roeland Jago Douma <982d370f7dc34a05b4abe8788f899578d515262d@famdouma.nl>

endsguy/server,endsguy/server,pixelipo/server,pixelipo/server,andreas-p/nextcloud-server,pixelipo/server,nextcloud/server,pixelipo/server,nextcloud/server,pixelipo/server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,endsguy/server,michaelletzgus/nextcloud-server,nextcloud/server,michaelletzgus/nextcloud-server,nextcloud/server,endsguy/server,michaelletzgus/nextcloud-server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,michaelletzgus/nextcloud-server,endsguy/server