src/vs/workbench/contrib/extensions/browser/extensionsWidgets.ts/TooltipWidget/getTooltip
class TooltipWidget:	private getTooltip(): string {
		if (!this.extension) {
			return '';
		}
		if (this.tooltipAction.label) {
			return this.tooltipAction.label;
		}
		return this.recommendationWidget.tooltip;
	}