fix(tools): make server screenshot write to named pipe non-blocking

tools/anvil-get-server-screenshot

@@ -184,7 +184,8 @@ if ($server_uuid)
 	if ($request_host_uuid)
 	{
 		my $request_host_ip_address = get_remote_call_requirements({ debug => $debug, host_uuid => $request_host_uuid });
-		my $remote_shell_call       = $anvil->data->{path}{exe}{echo}." '".$encoded_image."' >".$anvil->data->{path}{directories}{tmp}."/".$server_uuid."_screenshot_".$out_file_id;
+		my $out_file_path           = $anvil->data->{path}{directories}{tmp}."/".$server_uuid."_screenshot_".$out_file_id;
+		my $remote_shell_call       = $anvil->data->{path}{exe}{echo}." '".$encoded_image."' 1<>'".$out_file_path."' >'".$out_file_path."'";
 
 		$anvil->Log->variables({ source => $THIS_FILE, line => __LINE__, level => $debug, list => { request_host_ip_address => $request_host_ip_address } });