Fix more by-ref issues in DNA

Conflicts:
	code/game/machinery/hydroponics.dm

code/game/objects/items/weapons/dna_injector.dm

@@ -66,7 +66,7 @@
 	if (!(NOCLONE in M.mutations)) // prevents drained people from having their DNA changed
 		if (buf.types & DNA2_BUF_UI)
 			if (!block) //isolated block?
-				M.UpdateAppearance(buf.dna.UI)
+				M.UpdateAppearance(buf.dna.UI.Copy())
 				if (buf.types & DNA2_BUF_UE) //unique enzymes? yes
 					M.real_name = buf.dna.real_name
 					M.name = buf.dna.real_name
@@ -77,7 +77,7 @@
 				uses--
 		if (buf.types & DNA2_BUF_SE)
 			if (!block) //isolated block?
-				M.dna.SE = buf.dna.SE
+				M.dna.SE = buf.dna.SE.Copy()
 				M.dna.UpdateSE()
 			else
 				M.dna.SetSEValue(block,src.GetValue())