fix(www): display account form name input error (#381)

* docs: display account form name input error

Closes: #380

* style: remove callback return statement

apps/www/app/examples/forms/account/account-form.tsx

@@ -103,6 +103,7 @@ export function AccountForm() {
                 This is the name that will be displayed on your profile and in
                 emails.
               </FormDescription>
+              <FormMessage />
             </FormItem>
           )}
         />