RT Get tickets by queue, bypassing ACL

sub filterTicketsByQueue {
    my $self = shift;
    my $queue = shift;

    my $current_user = new RT::CurrentUser;
    $current_user->LoadByName('RT_System');

    my $tickets = new RT::Tickets($current_user);
    
    $tickets->LimitQueue(
        "OPERATOR" => "=",
        "VALUE" => $queue
    );

    $tickets->OrderBy( FIELD => 'id', ORDER => 'DESC' );

    while (my $ticket = $tickets->Next) {
        # do stuff
        $RT::Logger->info($ticket->id);
    }
   
    return $tickets; # do stuff elsewhere

}