This below filter allows you to override and change details for your ICS file. You can customize it according to your preference. Add zoom link to location directly and so on.

Add below line to your functions.php file in your child theme or theme.

add_filter('vczapi_pro_change_ical_details', 'vczapi_change_ical_details', 10, 2);
function vczapi_change_ical_details($ics, $zoom) {
	$ics['location'] = $zoom['api']->join_url;
	return $ics;

Above code will change the link of your ICS and Google calendar location link to Zoom Join URL.