The dismount location of Happy Ghast becomes incorrect with higher scale attribute values
Steps to Reproduce
Summon a Happy Ghast
Equip the Happy Ghast with a harness
Set the Happy Ghast's scale attribute to 2 or 3
Ride, then dismount from the Happy Ghast
-> Observe the correct dismount locationSet the Happy Ghast's scale attribute to 4 or higher
Ride, then dismount from the Happy Ghast
-> Observe that you fall through the Ghast
This issue is already reported and triaged in MC-296432