on restart, load queued items newest to oldest

app/import_manager.rb

···
       end
     end
 
-    queued_items = @user.all_items_in_queue(:import)
+    queued_items = @user.all_items_in_queue(:import).sort_by(&:time).reverse
     queue = ItemQueue.new(queued_items)
 
     downloader = PostDownloader.new