Player takes damage from jumping down from one block

Can confirm.

This bug probably happened because of the fix to MC-278256

I checked, for some reason the player's FallDistance is 52% higher than expected

@everyone Thank you for participating in the bug tracker! However, as this bug has already been confirmed, please refrain from commenting if you don't have any new information related to reproducing this bug. I've cleaned up the comments a bit to reduce clutter and remove redundant information.