Allowed End Cities to generate in the End Flats, replaced hardcoded sand checks for certain blocks with the sand tag
Added new End Flats biome, removed shroomlights from Empyreal trees, added individual textures for Null/Unmapped End Stone and Null Leaves, fixed some placement issues with various worldgen features
Added missing music track names
Added dry foliage color overrides to various biomes
New textures for Watergrass, Fir Saplings, and Umbran Saplings/Leaves
Added emissive texture effect to the Icy Iris