[Alternative to #6407] Makes mutant bodyparts and mutcolors into editable genetic traits (#6750)

* Makes mutant bodyparts and mutcolors into editable genetic traits (plus a whole shitload of otherwise out of scope code improvements because I just HAD to touch old code)

* Mirror

* genetically-editable mutant bodyparts and colors - skyrat edition

Co-authored-by: Funce <funce.973@gmail.com>

code/modules/research/xenobiology/crossbreeding/_status_effects.dm

@@ -776,6 +776,7 @@
 		originalname = H.real_name
 		H.dna.copy_dna(originalDNA)
 		randomize_human(H)
+		H.dna.update_dna_identity()
 	return ..()
 
 /datum/status_effect/stabilized/green/tick() //Only occasionally give examiners a warning.

code/modules/research/xenobiology/xenobiology.dm

@@ -606,6 +606,7 @@
 	switch(activation_type)
 		if(SLIME_ACTIVATE_MINOR)
 			user.dna.features["mcolor"] = pick("FFFFFF","7F7F7F", "7FFF7F", "7F7FFF", "FF7F7F", "7FFFFF", "FF7FFF", "FFFF7F")
+			user.dna.update_uf_block(DNA_MUTANT_COLOR_BLOCK)
 			user.updateappearance(mutcolor_update=1)
 			species.update_glow(user)
 			to_chat(user, span_notice("You feel different..."))