[MCMP2] Every multipart in a block disappears when destroying a part with >2 parts in a block

[2xsaiko]

This could be on my side too but I'm almost positive it's MCMP doing it since this is only occuring after the latest build. When removing a multipart through destroying or TileMultipartContainer#removePart and there's more than 2 parts inside the container, the whole container gets removed. Demonstration: https://gfycat.com/FarflungVainKestrel