preserve template fields per submission

lib/submissions.rb

@@ -1,4 +1,13 @@
 # frozen_string_literal: true
 
 module Submissions
+  module_function
+
+  def update_template_fields!(submission)
+    submission.template_fields = submission.template.fields
+    submission.template_schema = submission.template.schema
+    submission.template_submitters = submission.template.submitters
+
+    submission.save!
+  end
 end