Fix skin item stack issue. (1.16-1.20)
Fix skin library remote maintenance can't authorized. (1.16-1.20)
Fix skinnable block and hologram projector can't render dye skin. (1.16-1.20)
NOTE: This is a important fix, prevent duplicate skin items for players.
Add support for the Easy NPC mod (1.18-1.20)
thx @MarkusBordihn