FIX: Topic status update not being deleted once it has been executed.

app/jobs/regular/publish_topic_to_category.rb

@@ -10,6 +10,7 @@ module Jobs
       PostTimestampChanger.new(timestamp: Time.zone.now, topic: topic).change! do
         topic.change_category_to_id(topic_status_update.category_id)
         topic.update_columns(visible: true)
+        topic_status_update.trash!(Discourse.system_user)
       end
 
       MessageBus.publish("/topic/#{topic.id}", reload_topic: true, refresh_stream: true)

spec/jobs/publish_topic_to_category_spec.rb

@@ -47,6 +47,7 @@ RSpec.describe Jobs::PublishTopicToCategory do
     topic.reload
     expect(topic.category).to eq(another_category)
     expect(topic.visible).to eq(true)
+    expect(TopicStatusUpdate.find_by(id: topic.topic_status_update.id)).to eq(nil)
 
     %w{created_at bumped_at updated_at last_posted_at}.each do |attribute|
       expect(topic.public_send(attribute)).to be_within(1.second).of(Time.zone.now)