* feat: add more group permissions
* feat: restrict access with app permissions
* feat: restrict access with search-engine permissions
* feat: restrict access with media permissions
* refactor: remove permissions for users, groups and invites
* test: adjust app router tests with app permissions
* fix: integration page accessible without session
* fix: search for users, groups and integrations shown to unauthenticated users
* chore: address pull request feedback
