src/vs/workbench/contrib/files/browser/views/openEditorsView.ts/OpenEditorsView/computeMinExpandedBodySize
class OpenEditorsView:	private computeMinExpandedBodySize(visibleOpenEditors = OpenEditorsView.DEFAULT_VISIBLE_OPEN_EDITORS): number {
		const itemsToShow = Math.min(Math.max(visibleOpenEditors, 1), this.elementCount);
		return itemsToShow * OpenEditorsDelegate.ITEM_HEIGHT;
	}