Affects Version/s: Minecraft 18w22b, Minecraft 18w22c
Fix Version/s: Minecraft 1.13-pre1
When log in to the world, all enchantment books change to protection.
for example,silktouch to protection1,sharpness4 to protection4.
It does not change only by going between the Nether and the overworld.
All books are changing when the world loading, first.