Merge pull request #5512 from Citadel-Station-13/upstream-merge-35680

[MIRROR] Fixes SCP-294 losing its top sometimes

code/modules/reagents/chemistry/machinery/scp_294.dm

@@ -24,6 +24,11 @@
 	. = ..()
 	GLOB.poi_list += src
 	top_overlay = mutable_appearance(icon, "294_top", layer = ABOVE_MOB_LAYER)
+	update_icon()
+	
+
+/obj/machinery/chem_dispenser/scp_294/update_icon()
+	cut_overlays()
 	add_overlay(top_overlay)
 
 /obj/machinery/chem_dispenser/scp_294/Destroy()
@@ -81,4 +86,4 @@
 		for(var/X in GLOB.chemical_reagents_list)
 			var/datum/reagent/R = GLOB.chemical_reagents_list[X]
 			if(R.can_synth && input == replacetext(lowertext(R.name), " ", ""))
-				return X
+				return X