Change account suspensions to be reversible by default (#14726)

db/migrate/20200908193330_create_account_deletion_requests.rb

@@ -0,0 +1,8 @@
+class CreateAccountDeletionRequests < ActiveRecord::Migration[5.2]
+  def change
+    create_table :account_deletion_requests do |t|
+      t.references :account, foreign_key: { on_delete: :cascade }
+      t.timestamps
+    end
+  end
+end