Fixes stairs randomly faceplanting you + some initialize/qdel errors (#9341)

code/modules/reagents/Chemistry-Recipes.dm

@@ -36,6 +36,7 @@
 	var/reaction_sound = 'sound/effects/bubbles.ogg'
 
 	var/log_is_important = 0 // If this reaction should be considered important for logging. Important recipes message admins when mixed, non-important ones just log to file.
+
 /datum/chemical_reaction/proc/can_happen(var/datum/reagents/holder)
 	//check that all the required reagents are present
 	if(!holder.has_all_reagents(required_reagents))

code/modules/reagents/reagent_containers/food/snacks.dm

@@ -1353,7 +1353,7 @@
 	bitesize = 0.1 //this snack is supposed to be eating during looooong time. And this it not dinner food! --rastaf0
 
 /obj/item/reagent_containers/food/snacks/popcorn/Initialize()
-	..()
+	. = ..()
 	unpopped = rand(1,10)
 
 /obj/item/reagent_containers/food/snacks/popcorn/on_consume()