Fix T37624: Rename Marker does not update Marker in 3D View until Frame Change

Was simply missing notifier listener in 3D viewport.

Also fixes missing refresh when adding a marker.

source/blender/editors/space_view3d/space_view3d.c

@@ -770,6 +770,7 @@ static void view3d_main_area_listener(bScreen *sc, ScrArea *sa, ARegion *ar, wmN
 				case ND_OB_VISIBLE:
 				case ND_LAYER:
 				case ND_RENDER_OPTIONS:
+				case ND_MARKERS:
 				case ND_MODE:
 					ED_region_tag_redraw(ar);
 					break;