update demo

app/views/accounts/show.html.erb

@@ -196,7 +196,7 @@
           <% end %>
         <% end %>
         <% account_config = AccountConfig.find_or_initialize_by(account: current_account, key: AccountConfig::DOWNLOAD_LINKS_EXPIRE_KEY) %>
-        <% if can?(:manage, account_config) %>
+        <% if !Docuseal.demo? && can?(:manage, account_config) %>
           <%= form_for account_config, url: account_configs_path, method: :post do |f| %>
             <%= f.hidden_field :key %>
             <div class="flex items-center justify-between gap-4 py-2.5">