Customizable Player Models

24w21b port
Minecraft Forge 1.20.6 port
Fixed in editor chat on 1.20.6
Fixed armor in 1.20.6
Fixed tinted armor on 1.4.7-1.12 (Closes #604)
Fixed 1.4.7 and 1.5.2 crashing on startup

NeoForge 20.5.14-beta port
Fixed crash with 1.2.5

Fixed crash with Iris 1.7 (Closes #601)