Could you file this as a bug to https://github.com/deltachat/deltachat-desktop/issues ?
Sorry, I dont use GitHub.
i created it for you https://github.com/deltachat/deltachat-desktop/issues/789
Thank you.
As of now this issue is obsolete, as this part of the UI was removed.
Please, help here: https://github.com/flathub/chat.delta.desktop/issues/18