<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=597856) </details> <!--IssueSummary end--> Create a new worker and service that will asynchronously create `organization_users` records for all top-level groups added to an organization. TLG group owners will become organization owners. All other users in the entire group hierarchy should be regular organization users. This worker will be initiated by subscribing to an event `Organizations::ConfirmedEvent`. This event also must be emitted on transition to `confirmed` state. Upon successful completion the process should call `organization.activate!`.