Blob Chunks 2 (#9143)

* Restore blob chunks to the world.

Blobs have chunks they spawn on death, carrying an artifact effect related to the blob type. The chunk carries a copy of the parent blob's type datum, to prevent modification of a blob causing issues with the chunk, and vice versa, if both somehow exist at the same time.

* Organization, origin tech.

* Convert to List Based system, drop transferring type datums directly as discussed in DMs

* Added Volatile Alluvium chunk effect.

Nanite swarm chunks exist, but don't do anything special for now.

Blob Chunks can sniff a mob to take their faction.

* Copy requires static

* Chunk and effect code cleanliness
lifemerger now utilizes a timer&callback instead of spawn()

code/modules/blob2/blobs/core.dm

@@ -113,6 +113,7 @@ var/global/list/blob_cores = list()
 	blob_cores -= src
 	if(overmind)
 		overmind.blob_core = null
+		overmind.blob_type.make_chunk(get_turf(src))
 		qdel(overmind)
 	overmind = null
 	STOP_PROCESSING(SSobj, src)