add_action('site-reviews/route/get/public/verify', function ($request) {

    $themeId = 13; // <- change this to your desired theme ID

    $path = $request['data'][1] ?? null;
    if (null !== $path && !str_contains($path, "theme={$themeId}")) {
        $path = add_query_arg('theme', $themeId, $path);
        $request->set('data.1', $path);
    }
}, 5);