fix for "cleaning light"

Signed-off-by: Mloc <colmohici@gmail.com>

code/game/objects/effects/chemsmoke.dm

@@ -149,7 +149,7 @@
 								if(!dist)
 									dist = 1
 								R.reaction_mob(A, volume = R.volume / dist)
-							else if(istype(A, /obj))
+							else if(istype(A, /obj) && !A.simulated)
 								R.reaction_obj(A, R.volume)
 					sleep(30)
 

code/modules/reagents/Chemistry-Holder.dm

@@ -435,6 +435,8 @@ var/const/INGEST = 2
 	return 0
 
 /datum/reagents/proc/reaction(var/atom/A, var/method=TOUCH, var/volume_modifier=0)
+	if(!istype(A) || !A.simulated)
+		return
 
 	switch(method)
 		if(TOUCH)