[stable10] Fix required permissions for webdav move and copy#1320

MorrisJobke merged 3 commits intostable10nextcloud/server:stable10from

backport-1301-fix-required-permissions-for-webdav-move-and-copynextcloud/server:backport-1301-fix-required-permissions-for-webdav-move-and-copyCopy head branch name to clipboard