Cloudstorage WebDAV: fix leading slash for root folder (#9061)
Cloudstorage WebDAV: fix leading slash for root folder (#9061)


Frenzie/koreader,NiLuJe/koreader,koreader/koreader,Frenzie/koreader,poire-z/koreader,poire-z/koreader,koreader/koreader,NiLuJe/koreader