Contact birthdays from ecloud are missing in calendar app

L- /e/ version: 0.16-20210417110995

Summary

Bug 1316 is closed but still exists. That's why i raise this new issue.

Contact birthdays sync option is missing. That's why they are in the ecloud calendar but not in the calendar app.

Steps to reproduce Install the last build of /e/ linked to an /e/ account with contacts with birthday.

What is the current behavior? Birthdays are missing in the calendar app and there is no sync option in the calendar settings

What is the expected correct behavior? Be able to see birthdays in the calendar app

Workaround You need to install davx5 to get birthdays