ECS: dead component add/remove part (no iteration and cleanup)
ECS: dead component add/remove part (no iteration and cleanup)

niello/deusexmachina,niello/deusexmachina,niello/deusexmachina,niello/deusexmachina,niello/deusexmachina,niello/deusexmachina,niello/deusexmachina,niello/deusexmachina