Set content type for propfind request
Set content type for propfind request

Without the request is sent as application/x-www-form-urlencoded; charset=UTF-8 and might be blocked by some application firewalls because content and content type do not match.

Signed-off-by: Daniel Kesselberg <1d6e1cf70ec6f9ab28d3ea4b27a49a77654d370e@danielkesselberg.de>

andreas-p/nextcloud-server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,nextcloud/server,nextcloud/server,andreas-p/nextcloud-server,nextcloud/server,andreas-p/nextcloud-server,nextcloud/server