do not always recalculate existing multiblocks. Only do so,
if the adjacent block is either part of the multiblock's bounding
box, or if the adjacent block would be a valid part of the multiblock.
they update their own block-state to display the disconnected
state, effectively reversing their own removal. This occurs
because the cached block state in the tile entity base class is
outdated and doesn't reflect the removal.
shartte