Fix stone-brick recipe if early zircon is enabled

Previous code changed recipe to 1 stone and 5 zircon. Changed to only add 1 zircon to the existing stone-brick recipe.

bzzirconium2/zirconium-recipe-updates.lua

@@ -115,7 +115,7 @@ if util.k2() then
   util.add_ingredient("kr-antimatter-reactor", nuclear_z, 350)
 
   if util.me.early() then
-    util.replace_some_ingredient("stone-brick", "stone", 5, "zircon", 5)
+    util.add_ingredient("stone-brick", "zircon", 1)
   end
   if mods["space-exploration"] then
     util.replace_some_ingredient("se-stone-brick-vulcanite", "stone", 2, "zircon", 2)