Live Share cannot resume after host reconnects

[avojnovicDk]

Describe what happened:

What was your system configuration?
Product and Version [VS/VSCode]: VSCode
OS Version[macOS/Windows]: macOS
Live Share Extension Version: 1.1.122
Target Platform or Language [e.g. Node.js]: Python

Steps to Reproduce / Scenario:

1. Person A creates live session
2. Person B joins
3. Person A disconnects (eg. locks their laptop)
4. The session is no longer active (this is expected)
5. After few mins, person A reconnects
6. It is possible for person A to resume the session, but no participants are shown
7. Person B cannot rejoin, and instead sees what is attached in the screenshot

Please attach logs to this issue:
You can access them via the Live Share: Export Logs command from the command palette (ctrl + shift + p) and attach them to this issue

Screenshots