Bug: Make sure mod recipes for MC items show up

This fixes a regression where recipes for vanilla Minecraft items
(e.g., Iron Ingot) added by mods (e.g., Pulverized Iron to Iron
Ingot) didn't show up on that item's detail page.

src/coffee/models/recipe.coffee

@@ -107,7 +107,7 @@ module.exports = class Recipe extends BaseModel
                 @_produces[stack.itemSlug.qualified] = true
                 @_produces[stack.itemSlug.item] = true
 
-        return @_produces[itemSlug.qualified]
+        return @_produces[itemSlug.qualified] or @_produces[itemSlug.item]
 
     requires: (itemSlug)->
         for stack in @input