Bug#1035659: jami fails to start on a wayland session if qt6-wayland is not installed

[user]

Package: jami
Version: 20230206.0~ds2-1.1
Followup-For: Bug #1035659
X-Debbugs-Cc: noreply at spam4.me

Dear Maintainer,

> Since the bugreporter didn't mention which window manager is in play,
> this bugreport cannot sensibly be reassigned.

The failure was found using a "gnome-session --session=phosh".