Bugfix/set sitecollectionadmins groupified sites#1323

jansenbe merged 3 commits intopnp:devpnp/pnpcore:devfrom

mloitzl:bugfix/set-sitecollectionadmins-groupified-sitesmloitzl/pnpcore:bugfix/set-sitecollectionadmins-groupified-sitesCopy head branch name to clipboard