Lost playstyle+ form evolution on Fut Fantasy Fermin

When the evolution in the training camp section "Late to the party" released, i after 10 min put my Fermin Fantasy card into (this is before he had any upgrades) from this evolution the card would gain Trickster+ and some stat boosts, notably taking his defence to a 85.

after he got the upgrade from the assist he then lost the trickster+ playstyle completely, where it got replaced by technical+