src/vs/workbench/contrib/notebook/browser/diff/diffElementViewModel.ts/DiffElementViewModelBase/getHeight
class DiffElementViewModelBase:	getHeight(lineHeight: number) {
		if (this._layoutInfo.layoutState === CellLayoutState.Uninitialized) {
			const editorHeight = this.estimateEditorHeight(lineHeight);
			return this._computeTotalHeight(editorHeight);
		} else {
			return this._layoutInfo.totalHeight;
		}
	}