[Bug]: Does not support google calendar organizer emails

[brenjt]

What happened?

Cannot use custom google calendars as organizer. Additional Google Calendar emails are long and look like this:
c_6745f58b4d80d12c7d81b98ba112eec40ea99c21f24b27ba8c56d302bba0255c@group.calendar.google.com. These types of emails do not validate because they are longer than the arbitrary 80 character limit here whereas these emails are 92.

add-to-calendar-button/src/atcb-validate.js

Line 231 in 19e81f3

if (attendeeParts.length !== 2 || attendeeParts[0].length > 50 || attendeeParts[1].length > 80 || !atcb_validEmail(attendeeParts[1])) {

How to reproduce?

No response

Screenshots & more

No response

System & Environment

Version Number: 2.6.19

[jekuer]

Reasonable. Thank you.
Already merged, but need to put it into the next package/version.