Sometimes closing x2go session causes gnome-shell to segfault

Affected version

• Your OS and version: Fedora 34
• Affected GNOME Shell version: 40.0~beta-1.fc34
• Does this issue appear in XOrg and/or Wayland: Xorg

Bug summary

Sometimes closing x2go session causes gnome-shell to segfault.

Steps to reproduce

1. Connect to x2go session
2. Disconnect from it

What happened

Crash.

What did you expect to happen

Not crash.

Relevant logs, screenshots, screencasts etc.

https://gist.github.com/luk1337/c1177862b52348956af0d8ba8950faba