src/vs/workbench/contrib/quickaccess/browser/viewQuickAccess.ts/ViewQuickAccessProvider/includeViewContainer
class ViewQuickAccessProvider:	private includeViewContainer(container: PaneCompositeDescriptor): boolean {
		const viewContainer = this.viewDescriptorService.getViewContainerById(container.id);
		if (viewContainer?.hideIfEmpty) {
			return this.viewDescriptorService.getViewContainerModel(viewContainer).activeViewDescriptors.length > 0;
		}

		return true;
	}