hotfix: customers cannot open accounts

templates/customers/customer.html

@@ -91,7 +91,7 @@ <h1 class="text-lg font-extrabold">Banking</h1>
                     <p class="text-muted">Account(s) available for this customer.</p>
                 </div>
                 <div id="customer-accounts">{{ template "accounts" .Customer }}</div>
-                {{ if lt (len .Customer.Accounts) 2 }}
+                {{ if and (lt (len .Customer.Accounts) 2) .SignedIn }}
                 <div class="flex justify-start">
                     <button hx-get="/customers/{{ .Customer.ID }}/open-account" hx-trigger="click" hx-target="body"
                         hx-swap="beforeend" class="btn-primary px-3 py-1.5 text-sm">Open