[stable9] Fix required permissions for webdav move and copy#1321

MorrisJobke merged 3 commits intostable9nextcloud/server:stable9from

backport-1301-fix-required-permissions-for-webdav-move-and-copy-9nextcloud/server:backport-1301-fix-required-permissions-for-webdav-move-and-copy-9Copy head branch name to clipboard