FEATURE: fix avatar in quotes when changing avatars

app/jobs/regular/fix_avatar_in_quotes.rb

@@ -0,0 +1,11 @@
+module Jobs
+  class FixAvatarInQuotes < Jobs::Base
+
+    def execute(args)
+      user = User.find(args[:user_id])
+      post_ids_to_rebake = Post.exec_sql("SELECT post_id FROM quoted_posts WHERE quoted_post_id IN (SELECT id FROM posts WHERE user_id = ?)", user.id).values.flatten.map(&:to_i)
+      Post.where(id: post_ids_to_rebake).find_each.map(&:rebake!)
+    end
+
+  end
+end

app/models/user.rb

@@ -645,6 +645,8 @@ class User < ActiveRecord::Base
     if SiteSetting.automatically_download_gravatars? && !avatar.last_gravatar_download_attempt
       Jobs.enqueue(:update_gravatar, user_id: self.id, avatar_id: avatar.id)
     end
+
+    Jobs.enqueue(:fix_avatar_in_quotes, user_id: self.id)
   end
 
   def first_post_created_at