spinbutton: use the correct color for the arrow prelight state
spinbutton: use the correct color for the arrow prelight state

rgcjonas/adwaita-semidark,rgcjonas/adwaita-semidark,cosimoc/gnome-themes-standard,rgcjonas/adwaita-semidark,cosimoc/gnome-themes-standard,ChrisCummins/gnome-themes-standard,rgcjonas/adwaita-semidark,DoctorJellyface/gnome-themes-standard,ChrisCummins/gnome-themes-standard,cosimoc/gnome-themes-standard,ChrisCummins/gnome-themes-standard,Distrotech/gnome-themes-standard,DoctorJellyface/gnome-themes-standard,magcius/gnome-themes-standard,magcius/gnome-themes-standard,Distrotech/gnome-themes-standard,cosimoc/gnome-themes-standard,ChrisCummins/gnome-themes-standard,magcius/gnome-themes-standard,ChrisCummins/gnome-themes-standard