v2.4.6 KameiB Bug Hunt Patch

• ✨🐢 Add KameiB's Turtle Shell novelty item
• 🐛 Add missing zombie villager to spawnable entities list
• 🐛 Prevent crash on client-side when using /help command
• 🐛 Fix bug where novelty items were missing enchantments
• 🐛 Fix bug where dyes were not getting mapped to the correct colours
• 🐛 Fix issue where some blocks (slabs, leaves, and vines) were mapping incorrectly

Special thanks again to @KameiB for your tireless bug hunting and testing! Best of luck with Localizator (whose efforts helped to find many of these bugs)!