Add support for reversible suspensions through ActivityPub (#14989)

db/post_migrate/20201017234926_fill_account_suspension_origin.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class FillAccountSuspensionOrigin < ActiveRecord::Migration[5.2]
+  disable_ddl_transaction!
+
+  def up
+    Account.suspended.where(suspension_origin: nil).in_batches.update_all(suspension_origin: :local)
+  end
+
+  def down; end
+end