src/vs/workbench/contrib/notebook/browser/diff/notebookTextDiffList.ts/NotebookCellTextDiffListDelegate/constructor
class NotebookCellTextDiffListDelegate:	constructor(
		@IConfigurationService readonly configurationService: IConfigurationService
	) {
		const editorOptions = this.configurationService.getValue<IEditorOptions>('editor');
		this.lineHeight = BareFontInfo.createFromRawSettings(editorOptions, PixelRatio.value).lineHeight;
	}