Refactor reloadStylesheets to receive absolute URLs
Refactor reloadStylesheets to receive absolute URLs

This is a preparatory step for a following change in which
reloadStylesheets will have to be able to receive absolute URLs.

Signed-off-by: Daniel Calviño Sánchez <bd7629e975cc0e00ea7cda4ab6a120f2ee42ac1b@gmail.com>

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