bugfix for crash with last commit

pages/crafting.lua

@@ -189,13 +189,8 @@ local function update_from_recipelist(state, recipelist, preview_item, replace_n
 		if duplicate_index_tmp[def.name] then
 			table.insert(duplicate_index_tmp[def.name].recipes, recipe)
 		else
-			local entry = {
-				itemdef = def,
-				recipes = {},
-				-- buttons_grid related
-				item = def.name,
-				is_button = true
-			}
+			local entry = table.copy(cache.citems[def.name].ui_item)
+			entry.recipes = {}
 			duplicate_index_tmp[def.name] = entry
 			table.insert(entry.recipes, recipe)
 			table.insert(craftable_itemlist, entry)

pages/player.lua

@@ -35,15 +35,9 @@ local function update_grid(state, listname)
 		if itemdef then
 			cache.add_item(itemdef) -- analyze groups in case of hidden armor
 			if cache.citems[itemdef.name].cgroups["armor"] then
+				local entry = table.copy(cache.citems[itemdef.name].ui_item)
+				entry.stack_index = stack_index
 				local wear = stack:get_wear()
-
-				local entry = {
-						itemdef = itemdef,
-						stack_index = stack_index,
-						-- buttons_grid related
-						item = itemdef.name,
-						is_button = true
-					}
 				if wear > 0 then
 					entry.text = tostring(math.floor((1 - wear / 65535) * 100 + 0.5)).." %"
 				end
@@ -58,18 +52,13 @@ local function update_grid(state, listname)
 		for _, itemdef in pairs(cache.cgroups["armor"].items) do
 			if not list_dedup[itemdef.name] and not itemdef.groups.not_in_creative_inventory then
 				list_dedup[itemdef.name] = itemdef
-				table.insert(list, {
-						itemdef = itemdef,
-						-- buttons_grid related
-						item = itemdef.name,
-						is_button = true
-					})
+				table.insert(list, cache.citems[itemdef.name].ui_item)
 			end
 		end
 	end
 
 	table.sort(list, function(a,b)
-		return a.item < b.item
+		return a.sort_value < b.sort_value
 	end)
 	local grid = state:get(listname.."_grid")
 	grid:setList(list)

ui_tools.lua

@@ -437,7 +437,7 @@ if minetest.global_exists("unifieddyes") then
 	function unifieddyes_getpaletteidx(entry)
 		local ret = unifieddyes.getpaletteidx(entry.item, "extended")
 		if ret then
-			local ret2= string.format("%02X", ret)
+			local ret2 = string.format("%02X", ret)
 			return 'dye '..ret2
 		end
 	end
@@ -462,8 +462,8 @@ local function prepare_root_lists()
 		}
 
 		entry.sort_value = unifieddyes_getpaletteidx(entry) or itemname
-
-		if cache.citems[itemname].cgroups["shape"] then
+		citem.ui_item = entry
+		if citem.cgroups["shape"] then
 			table.insert(ui_tools.root_list_shape, entry)
 		else
 			table.insert(ui_tools.root_list, entry)