Paint's Race Against Hunger

Changes since v1:

* Oak leaves and dark oak leaves no longer drop themselves when they shouldn't.

* If the basalt blaze gamerule is true, blaze could spawn too close to player.

* Glow berries are impossible to obtain.

* Shearing a mooshroom will no longer drop mushrooms (not that you could use them anyway).

* pack_format is now 8 so the game knows it's compatible with 1.18.