The sleepy pen, hypospray and RSG will now all do initial chemical reactions when they inject a chemical (#21722)

* fuck it we ball

* I hate math

* Updates people, updates (also jimkil review)

* okay this should work better

* Will it work?

code/modules/paperwork/pen.dm

@@ -127,9 +127,12 @@
 
 	if(reagents.total_volume && M.reagents)
 		transfered = reagents.trans_to(M, 50)
-
 	to_chat(user, "<span class='warning'>You sneakily stab [M] with the pen.</span>")
 	add_attack_logs(user, M, "Stabbed with (sleepy) [src]. [transfered]u of reagents transfered from pen containing [english_list(contained)].")
+	for(var/datum/reagent/R as anything in reagents.reagent_list)
+		if(initial(R.id) == "????") // Yes this is a specific case that we don't really want
+			return TRUE
+	reagents.reaction(M, REAGENT_INGEST, 0.1)
 	return TRUE