Confluence: Otherworld

Fix biome injection and TerraBlender compatibility; update particle dependencies

• Fix missing Confluence biome features when TerraBlender is installed
• Fix custom biomes being unavailable to locate biome
• Correct Overworld and End biome injection timing and caching
• Adjust End injection priority for TerraBlender compatibility
• Update the particle library and supporting submodule dependencies

Integrate creature and gun content and complete NeoForge gameplay and resource synchronization

• Integrate TerraEntity creatures, bosses, NPCs, mounts, summons and combat into Confluence
• Integrate TerraGuns weapons, ammunition, projectiles and firing logic into Confluence
• Remove the TerraEntity and TerraGuns submodules and legacy integration code
• Synchronize events, yoyos, whips, modifiers, enemy behavior and NPC interaction from 1.20
• Complete recipes, loot, bestiary entries, translations, models, animations, textures and creative categories
• Move dynamic lighting, dynamic biomes, gravity reversal and shared effects into MagicLib
• Synchronize accessory particles, Paladin's Shield damage sharing and supporting TerraCurio features
• Complete TerraFurniture content, models, shapes and interactions
• Synchronize meteor crater generation, lava counts and affected-area loading
• Fix unusable yoyos, missing phasesabers in creative tabs and phaseblade inventory icons
• Fix path service crashes, attribute registration and selected spawning and component issues
• Remove migration leftovers and duplicate compatibility implementations