Ica 19 goldballer unlockable issue

How can I Unlock permanently the ICA 19 GOLDBALLER from the Hitman 3 announcement video ?When I get it from the mission Farewell in Mendoza it does not unlock permanently after the mission !How to unlock it so I can choose it from the inventory ?

You cannot unlock the ICA19 Goldballer as of right now. It is intentional.