disable prefill signature

app/controllers/submit_form_controller.rb

@@ -34,7 +34,9 @@ class SubmitFormController < ApplicationController
     @attachments_index = ActiveStorage::Attachment.where(record: @submitter.submission.submitters, name: :attachments)
                                                   .preload(:blob).index_by(&:uuid)
 
+    unless Docuseal.multitenant?
       @signature_attachment = Submitters::MaybeAssignDefaultSignature.call(@submitter, params, @attachments_index)
+    end
 
     render(@submitter.submission.template.archived_at? || @submitter.submission.archived_at? ? :archived : :show)
   end