jcs/page_query_args

A filter to override the get_pages for all page populated menu items.

add_filter( 'jcs/page_query_args', 'jc_page_query_args', 10, 1 );
function jc_page_query_args($page_args){
    return $page_args;
}

To target a specific page populated menu item use the following filter.

add_filter( 'jcs/page_{$menu_id}_query_args', 'jc_page_query_args', 10, 1 );
function jc_page_query_args($page_args){
    return $page_args;
}