fix(admin): persist private sessions across container replacement

admin/composer.json

@@ -4,5 +4,5 @@
   "license": "proprietary",
   "require": {"php": "^8.3", "ext-json": "*", "ext-zip": "*", "ext-imagick": "*", "phpseclib/phpseclib": "^3.0"},
   "config": {"sort-packages": true},
-  "scripts": {"test": ["php tests/backend-review.php", "php tests/link-builder.php", "php tests/backend-http.php"], "test:worker": "php tests/backend-worker.php"}
+  "scripts": {"test": ["php tests/backend-review.php", "php tests/link-builder.php", "php tests/backend-http.php", "php tests/session-persistence.php"], "test:worker": "php tests/backend-worker.php"}
 }