remove onsubmit html event

app/views/submissions_preview/completed.html.erb

@@ -21,15 +21,15 @@
       </div>
     </div>
     <% if Docuseal.multitenant? || Accounts.can_send_emails?(@submission.account) %>
-      <%= form_for '', url: send_submission_email_index_path, method: :post, html: { class: 'space-y-4', onsubmit: 'event.submitter.disabled = true' } do |f| %>
+      <%= form_for '', url: send_submission_email_index_path, method: :post, html: { class: 'space-y-4' } do |f| %>
         <div dir="auto" class="form-control !mt-0">
           <%= f.hidden_field :submission_slug, value: @submission.slug %>
           <%= f.label :email, t('email'), class: 'label' %>
           <%= f.email_field :email, value: current_user&.email || params[:email], required: true, class: 'base-input', placeholder: t('send_copy_to_email') %>
         </div>
-        <div dir="auto" class="form-control">
+        <toggle-submit dir="auto" class="form-control">
           <%= f.button button_title(title: t('send_copy_to_email'), disabled_with: t('starting')), class: 'base-button' %>
-        </div>
+        </toggle-submit>
       <% end %>
       <% if Docuseal.multitenant? %>
         <div class="divider uppercase"><%= t('or') %></div>