src/vs/workbench/contrib/notebook/browser/view/renderers/cellRenderer.ts/CodeCellRenderer/disposeElement
class CodeCellRenderer:	disposeElement(element: ICellViewModel, index: number, templateData: CodeCellRenderTemplate, height: number | undefined): void {
		templateData.elementDisposables.clear();
		this.renderedEditors.delete(element);
	}