Record deleted(by mod) status to prevent re-appear (#10732)

* Record deleted(by mod) status to prevent re-appear

* Move to Tombstone

* Add missing migration script

app/models/form/status_batch.rb

@@ -35,6 +35,7 @@ class Form::StatusBatch
   def delete_statuses
     Status.where(id: status_ids).reorder(nil).find_each do |status|
       RemovalWorker.perform_async(status.id)
+      Tombstone.find_or_create_by(uri: status.uri, account: status.account, by_moderator: true)
       log_action :destroy, status
     end
 

app/models/tombstone.rb

@@ -4,11 +4,12 @@
 #
 # Table name: tombstones
 #
-#  id         :bigint(8)        not null, primary key
-#  account_id :bigint(8)
-#  uri        :string           not null
-#  created_at :datetime         not null
-#  updated_at :datetime         not null
+#  id           :bigint(8)        not null, primary key
+#  account_id   :bigint(8)
+#  uri          :string           not null
+#  created_at   :datetime         not null
+#  updated_at   :datetime         not null
+#  by_moderator :boolean
 #
 
 class Tombstone < ApplicationRecord