src/vs/workbench/browser/parts/views/viewsService.ts/ViewsService/isViewContainerVisible
class ViewsService:	isViewContainerVisible(id: string): boolean {
		const viewContainer = this.viewDescriptorService.getViewContainerById(id);
		if (viewContainer) {
			const viewContainerLocation = this.viewDescriptorService.getViewContainerLocation(viewContainer);
			if (viewContainerLocation !== null) {
				return this.paneCompositeService.getActivePaneComposite(viewContainerLocation)?.getId() === id;
			}
		}
		return false;
	}