Changed drawing to use smooth lines, and to fade away when axis points toward / away from screen. (transform manipulators do this already) Also fixed a nearby (but unrelated) missing immUnbindProgram. Part of T49043
Changed drawing to use smooth lines, and to fade away when axis points toward / away from screen. (transform manipulators do this already) Also fixed a nearby (but unrelated) missing immUnbindProgram. Part of T49043