This tail refactor turned into an organ refactor. Funny how that works. (#67017)

* Fuck you (refactors ur tails)

* Errors

* Wow. Pain.

* Fixes up probably everything

* finish up here

* Fixes hard del maybe

* original owner hard del

* garbage collection runtime

* suck my peen byond

* Mapped tails

* motherfucker.

* motherrfucker. again.

* Whooopppppsie

* yeah bad idea

* Turns out external organs literally just sat in nullspace forever if their parent was deleted, and didnt Remove() themselves, causing harddels.

* So anyways I repathed all organs

* Fixes

* really.

* unit test... test

* unit test-test but it passes linters this time because im a moh-ron

* I've lost track of what im doing at this point

* Hopefully fixes hard del?

* meh

* Update code/datums/dna.dm

* things n stuff

* repath from master pull

code/modules/wiremod/shell/shell_items.dm

@@ -61,7 +61,7 @@
 /obj/item/shell/bci
 	name = "brain-computer interface assembly"
 	icon_state = "bci-open"
-	shell_to_spawn = /obj/item/organ/cyberimp/bci
+	shell_to_spawn = /obj/item/organ/internal/cyberimp/bci
 
 /obj/item/shell/scanner_gate
 	name = "scanner gate assembly"