reference comparison:
https://github.com/Tuinity/Moonrise/compare/6a2c6d27df11d417c1fefa749109d8e87599e8c2...f22335f0b65e205831c74a7b4b8f4d93fff54fd5
need to compare the diffs


todo:
- double check that the misc changes commit on dev/1.21.2 moonrise is applied
- in ChunkEntitySlices, implement modifySavedEntities() by copying from old
- implement PlayerChunkUnloadEvent in PlatformHooks#onChunkUnWatch
- make sure chunk pos is passed in PlatformHooks#postLoadProtoChunk
- implement chunk_system.ChunkMapMixin diff from reference 
- implement chunk_system.ChunkStorageMixin diff from reference
- implement chunk_system.DistanceManagerMixin diff from reference
- implement chunk_system.GenerationChunkHolderMixin diff from reference
- implement chunk_system.LevelChunkMixin diff from reference
- implement chunk_system.LevelMixin diff from reference
- implement chunk_system.SectionStorageMixin diff from reference
- implement chunk_system.SerializableChunkDataMixin diff from reference
- implement chunk_system.ServerLevelMixin diff from reference
- chunk system: move get entity lookup reroute into the folia scheduler api patch