src/vs/workbench/contrib/files/browser/views/openEditorsView.ts/OpenEditorsView/getMaxExpandedBodySize
class OpenEditorsView:	private getMaxExpandedBodySize(): number {
		const containerModel = this.viewDescriptorService.getViewContainerModel(this.viewDescriptorService.getViewContainerByViewId(this.id)!)!;
		if (containerModel.visibleViewDescriptors.length <= 1) {
			return Number.POSITIVE_INFINITY;
		}

		return this.elementCount * OpenEditorsDelegate.ITEM_HEIGHT;
	}