Expand firefly config.

config/firefly.php

@@ -19,7 +19,9 @@ declare(strict_types = 1);
 
 return [
     'configuration'       => [
-        'single_user_mode' => true,
+        'single_user_mode'     => true,
+        'is_demo_site'         => false,
+        'must_confirm_account' => false,
     ],
     'chart'               => 'chartjs',
     'version'             => '4.1.6',
@@ -204,5 +206,4 @@ return [
     ],
     'default_currency'         => 'EUR',
     'default_language'         => 'en_US',
-    'show-demo-warning'        => false,
 ];