src/vs/workbench/services/activity/browser/activityService.ts/ViewContainerActivityByView/update
class ViewContainerActivityByView:	private update(): void {
		this.activityDisposable.dispose();
		const container = this.viewDescriptorService.getViewContainerByViewId(this.viewId);
		if (container && this.activity) {
			this.activityDisposable = this.activityService.showViewContainerActivity(container.id, this.activity);
		}
	}