Bug#1115532: libgtk-4-1: compose and dead keys not working anymore on wayland

[Mad Horse]

> I think *if* we can continue to make ibus-gtk4 not have any dependency 
> relationship on libgtk-4-1, then it would be reasonable to make 
> libgtk-4-1 Recommends ibus-gtk4. I think a Depends would be too strong, 
> because it's entirely possible to use GTK with a different input method 
> like FCITX, or no input method at all.
You are right, as a certain gnome and fcitx user has complained it at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1122957 .