hide set speed for stock long (#20585)

old-commit-hash: e4d7ee3716

selfdrive/ui/paint.cc

@@ -280,7 +280,9 @@ static void ui_draw_vision_header(UIState *s) {
 
   ui_fill_rect(s->vg, {s->viz_rect.x, s->viz_rect.y, s->viz_rect.w, header_h}, gradient);
 
+  if (s->scene.longitudinal_control) {
     ui_draw_vision_maxspeed(s);
+  }
   ui_draw_vision_speed(s);
   ui_draw_vision_event(s);
 }