Fix for [#34598] Modifier-Icon in Outliner does not appear

* OBJECT_OT_make_links_scene did only trigger an 3D View update which was insufficient for Outliner (modifiers for example) and also some parts inside the Properties Editor (Mesh Data, Material Data).

source/blender/editors/object/object_relations.c

@@ -1543,6 +1543,7 @@ static int make_links_data_exec(bContext *C, wmOperator *op)
 
 	DAG_relations_tag_update(bmain);
 	WM_event_add_notifier(C, NC_SPACE | ND_SPACE_VIEW3D, CTX_wm_view3d(C));
+	WM_event_add_notifier(C, NC_OBJECT, NULL);
 
 	return OPERATOR_FINISHED;
 }

source/blender/editors/space_outliner/space_outliner.c

@@ -316,6 +316,10 @@ static void outliner_main_area_listener(ARegion *ar, wmNotifier *wmn)
 					/* all modifier actions now */
 					ED_region_tag_redraw(ar);
 					break;
+				default:
+					/* Trigger update for NC_OBJECT itself */
+					ED_region_tag_redraw(ar);
+					break;
 			}
 			break;
 		case NC_GROUP: