adjust for multitenant

app/views/devise/registrations/new.html.erb

@@ -22,6 +22,8 @@
         </div>
       <% end %>
       <%= f.fields_for resource.account do |ff| %>
+        <set-timezone data-input-id="_account_timezone"></set-timezone>
+        <%= ff.hidden_field :timezone %>
         <div class="form-control">
           <%= ff.label :name, 'Company name', class: 'label' %>
           <%= ff.text_field :name, required: true, class: 'base-input' %>