FIX: do not send welcome message to staged users

plugins/discourse-narrative-bot/plugin.rb

@@ -119,7 +119,7 @@ after_initialize do
   end
 
   self.add_model_callback(User, :after_commit, on: :create) do
-    if SiteSetting.discourse_narrative_bot_welcome_post_delay == 0
+    if SiteSetting.discourse_narrative_bot_welcome_post_delay == 0 && !self.staged
       self.enqueue_bot_welcome_post
     end
   end