Editor: port to GtkSourceHover
In the GTK 4 port of GtkSourceView, we introduced assistants, and one usage of that is GtkSourceHover. Builder should avoid using it's own system and move towards GtkSourceHover directly.
In the GTK 4 port of GtkSourceView, we introduced assistants, and one usage of that is GtkSourceHover. Builder should avoid using it's own system and move towards GtkSourceHover directly.