src/vs/workbench/contrib/notebook/browser/view/renderers/backLayerWebView.ts/BackLayerWebView/_updateOptions
class BackLayerWebView:	private _updateOptions() {
		this._sendMessageToWebview({
			type: 'notebookOptions',
			options: {
				dragAndDropEnabled: this.options.dragAndDropEnabled
			}
		});
	}