Merge pull request #21038 from owncloud/share-computesharepermissions-notstore

apps/dav/tests/unit/connector/sabre/file.php

apps/files/tests/controller/apicontrollertest.php

apps/files_sharing/lib/external/storage.php

apps/files_sharing/lib/sharedstorage.php

lib/private/files/fileinfo.php

lib/private/files/storage/common.php

lib/private/share/share.php

tests/lib/files/node/file.php

tests/lib/files/node/folder.php

tests/lib/files/node/node.php