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/projectiles/projectile/bullets.dm

@@ -264,8 +264,13 @@
 		if(blocked != INFINITY)
 			if(M.can_inject(null, FALSE, hit_zone, piercing)) // Pass the hit zone to see if it can inject by whether it hit the head or the body.
 				..()
+				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
+						reagents.trans_to(M, reagents.total_volume)
+						return TRUE
 				reagents.trans_to(M, reagents.total_volume)
-				return 1
+				reagents.reaction(M, REAGENT_INGEST, 0.1)
+				return TRUE
 			else
 				blocked = INFINITY
 				target.visible_message("<span class='danger'>[src] was deflected!</span>", \
@@ -273,7 +278,7 @@
 	..(target, blocked, hit_zone)
 	reagents.set_reacting(TRUE)
 	reagents.handle_reactions()
-	return 1
+	return TRUE
 
 /obj/item/projectile/bullet/dart/metalfoam