add recipient preferences

app/controllers/templates_controller.rb

@@ -103,7 +103,7 @@ class TemplatesController < ApplicationController
     params.require(:template).permit(
       :name,
       { schema: [%i[attachment_uuid name]],
-        submitters: [%i[name uuid]],
+        submitters: [%i[name uuid is_requester linked_to_uuid email]],
         fields: [[:uuid, :submitter_uuid, :name, :type,
                   :required, :readonly, :default_value,
                   :title, :description,