Installation fails to generate LE certificate - running forced update nightly succeeds.

Summary

ISPConfig 3.2.5 using acme.sh fails to create a certificate during installation of a server.

Steps to reproduce

1. Ensure all DNS is correct and resolving.
2. Install a server with ISPConfig 3.2.5 using the Ubuntu 20.04 and Debian multi server guide.
3. Installation succeeds without warnings.
4. Visit the server (panel|web): Note the security alert for a self signed certificate.

Correct behaviour

Create the correct Let's Encrypt certificate during installation.

Current workaround

Force update ispconfig and use the nightly build to generate the certificate.

Environment

Debian 10/Ubuntu 20.04 ISPConfig version: (3.2.5 stable) Apache2 Acme.sh

Proposed temporary workaround

Installer to run forced update to nightly build.

References

https://www.howtoforge.com/community/threads/debian-10-multiserver-setup.86639/