Clutter.Image is going away in next Mutter version

[tintou]

I have been advised that Clutter.Image is going away in next version and has a better version implemented in GNOME Shell too, opening this bug to have a reminder.

Context: https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4133#note_2276488

[lenemter]

Fixed in #2231