src/vs/base/browser/ui/list/rowCache.ts/RowCache/dispose
class RowCache:	dispose(): void {
		this.cache.forEach((cachedRows, templateId) => {
			for (const cachedRow of cachedRows) {
				const renderer = this.getRenderer(templateId);
				renderer.disposeTemplate(cachedRow.templateData);
				cachedRow.templateData = null;
			}
		});

		this.cache.clear();
	}