Here the response, so i have to check now the marketplace again
Support Team (Microsoft Flight Simulator)
May 30, 2023, 10:08 GMT+2
Hi Lauta,
Thank you for contacting Microsoft Flight Simulator Support today.
We have removed the entitlement of the aircraft you received a refund for. You can now purchase the item again if you want. Hope that helps.
Kind regards,
Microsoft Flight Simulator Support Team