src/vs/workbench/browser/parts/views/viewsService.ts/ViewsService/getVisibleViewContainer
class ViewsService:	getVisibleViewContainer(location: ViewContainerLocation): ViewContainer | null {
		const viewContainerId = this.paneCompositeService.getActivePaneComposite(location)?.getId();
		return viewContainerId ? this.viewDescriptorService.getViewContainerById(viewContainerId) : null;
	}