Download Manager plugin loads its bootstrap file on uwp pages, and later than uwp.

/**
 * Prevents Download manager to load bootstrap on uwp pages.
 */
add_filter('wpdm_disable_scripts', 'gdsnippet_maybe_dequeue_wpdm_bootstrap', 999, 1);

function gdsnippet_maybe_dequeue_wpdm_bootstrap($disabled_scripts) {
    if (!is_array($disabled_scripts)) {
        $disabled_scripts = [];
    }
    // Bail early checks.
    if (
        in_array('wpdm - frontend - js', $disabled_scripts, true) ||
        !function_exists('is_uwp_page') ||
        !is_uwp_page()
    ) {
        return $disabled_scripts;
    }
    $disabled_scripts[] = 'wpdm - frontend - js';
    return $disabled_scripts;
}