Extend GetGroupsAsAdmin Rest API request to expand apps

Hello, The admin PowerBI API request GetGroupsAsAdmin (https://docs.microsoft.com/en-us/rest/api/power-bi/admin/groups_getgroupsasadmin) can be expanded by users, reports, dashboards, datasets, dataflows, workbooks. It would be great if it is also possible to expand apps as well. Best, Philipp