Merge pull request #2833 from nextcloud/downstream-26750

apps/files_sharing/lib/Controller/ShareAPIController.php

apps/files_sharing/lib/Controller/ShareesAPIController.php

...files_sharing/tests/Controller/ShareAPIControllerTest.php

...les_sharing/tests/Controller/ShareesAPIControllerTest.php

core/js/sharedialogresharerinfoview.js

core/js/shareitemmodel.js

core/js/tests/specs/sharedialogviewSpec.js

core/js/tests/specs/shareitemmodelSpec.js

lib/private/Group/Backend.php

lib/private/Group/Group.php

lib/private/Group/Manager.php

lib/public/GroupInterface.php

lib/public/IGroup.php

tests/lib/Group/ManagerTest.php

tests/lib/TestCase.php