do not allow to submit archived forms

app/controllers/submit_form_controller.rb

@@ -18,6 +18,8 @@ class SubmitFormController < ApplicationController
     Submitters::MaybeUpdateDefaultValues.call(@submitter, current_user)
 
     cookies[:submitter_sid] = @submitter.signed_id
+
+    render @submitter.submission.template.deleted_at? ? :archived : :show
   end
 
   def update