Drowned model isn't centered when swimming

When the drowned swimming, the hitbox is on their head instead on the center of their model, as the model isn't centered properly when swimming, this is very noticeable when the drowned start to spinning in circle

Step to Reproduce:
1. Spawn Drowned, move 5-6 block from Drowned and then spawn Villager
2. Wait until the Drowned start swimming towards the Villager

Expected Result:
Drowned model centered properly when swimming

Observed Result:
Drowned model isn't centered properly