Get item name correctly.

mods/ENTITIES/mcl_item_entity/init.lua

@@ -409,11 +409,8 @@ local function nodes_destroy_items (self, moveresult, def, nn)
 	local dg = minetest.get_item_group(nn, "destroys_items")
 
 	if (def and (lg ~= 0 or fg ~= 0 or dg == 1)) then
-		local item_name = self.itemstring
-		local name, _ = item_name:match"^(%S+)%s+(.+)"
-		if name then
-			item_name = name
-		end
+		local item_string = self.itemstring
+		local item_name = ItemStack(item_string):get_name()
 
 		--Wait 2 seconds to allow mob drops to be cooked, & picked up instead of instantly destroyed.
 		if self.age > 2 and minetest.get_item_group(item_name, "fire_immune") == 0 then