src/vs/workbench/common/views.ts/ViewContainersRegistryImpl/getViewContainerLocation
class ViewContainersRegistryImpl:	getViewContainerLocation(container: ViewContainer): ViewContainerLocation {
		return [...this.viewContainers.keys()].filter(location => this.getViewContainers(location).filter(viewContainer => viewContainer?.id === container.id).length > 0)[0];
	}