NotForgotten and Minecraft Version

NotForgotten 1.0.0 (Minecraft 1.17)

Reproduction Steps

1. Write down your current XP (levels & points).
2. Use an anvil and/or enchantment table several times.
3. Kill your character.
4. Retrieve your grave.
5. Compare your current XP to the XP in step 1; you'll notice they're the same.

Crash Report file and latest.log

Not applicable.

Additional Context

net.minecraft.entity.player.EntityPlayer.experienceTotal is inconsistent and often inaccurate in Minecraft:
https://bugs.mojang.com/browse/MC-118008

This results in the player sometimes receiving the incorrect XP amount upon retrieving their marker.