Refactor and speed up get_item_usages

init.lua

@@ -465,18 +465,12 @@ end
 
 local function get_item_usages(item)
 	local usages = {}
-	for name, def in pairs(reg_items) do
-		if not (def.groups.not_in_craft_guide == 1 or
-				def.groups.not_in_creative_inventory == 1) and
-				get_recipe(name).items and
-				def.description and def.description ~= "" then
 
-			local recipes = recipes_cache[name]
-			for i = 1, #recipes do
-				local recipe = recipes[i]
-				if item_in_recipe(item, recipe) then
-					usages[#usages + 1] = recipe
-				end
+	for _, recipes in pairs(recipes_cache) do
+		for i = 1, #recipes do
+			local recipe = recipes[i]
+			if item_in_recipe(item, recipe) then
+				usages[#usages + 1] = recipe
 			end
 		end
 	end