[GTK4] Fix Control.update on Wayland #2719
                
     Merged
            
            
          
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Display.flushExposes is strictly X11 specific so it makes not sense to fail Table.paintWindow() due to usage of
GTK3.gtk_tree_view_get_bin_window when in the end that would not be used at all on Wayland.
Gtk4/X11 case will remain broken but considering that distros stop shipping Gnome on X11 it is not worth supporting smth that users will not get easily available
(https://fedoraproject.org/wiki/Changes/WaylandOnlyGNOME ). Fixes Ctrl+3 in Eclipse.