GM Tool - Create Medical Issue (#18033)

* WIP medical issue GM tool

* Progress

* Basics are now working

* Surgery!

Needs more testing for each step, but the few I tried worked fine.

* body scanner complete

* Completed and tested!

* Fixes my terrible TGUI stuff

code/modules/organs/organ.dm

@@ -45,6 +45,7 @@ var/list/organ_cache = list()
 
 	var/butcherable = TRUE
 	var/meat_type	// What does butchering, if possible, make?
+	var/list/medical_issues = list()
 
 /obj/item/organ/Destroy()
 
@@ -190,6 +191,9 @@ var/list/organ_cache = list()
 		handle_rejection()
 		handle_germ_effects()
 
+	for(var/datum/medical_issue/I in medical_issues)
+		I.handle_effects()
+
 /obj/item/organ/examine(mob/user)
 	. = ..()
 	if(status & ORGAN_DEAD)