Hello,
Please see the response I have provided in a similar forum thread (which I notice you were in as well): Release transfer between fleets at the same organisation
I hope this addresses your question, please let me know if you still have any questions or would like any clarification. If this does not address your question/feedback, could you please let me know what is unsatisfactory about the given workaround so that I can understand more about your usecase and take any other factors into consideration?