OptiFine_1.20.1_HD_U_I6

- fixed powder snow rendering from inside (#7506)
- optimized entity rendering with shaders
- fixed rendering of display entities (#7377)
- fixed horse armor and villager professions with fast render (#7473)
- fixed banners with Fast Render (#7471)
- added debug info GPU memory
- optimized GPU memory usage (#7475)
- fixed lagometer 30/60 rendering
- added CEM model examples
- updated custom map colors
- fixed unvisible geometry in previously empty chunks
- fixed CEM llama decor texture
- fixed CEM warden emissive layers (#7033)
- optimized entity rendering (#7463)
- compatible with Forge 47.2.18
- compatible with NeoForge 47.1.56