src/vs/workbench/contrib/notebook/common/notebookEditorInput.ts/NotebookEditorInput/revert
class NotebookEditorInput:	override async revert(_group: GroupIdentifier, options?: IRevertOptions): Promise<void> {
		if (this._editorModelReference && this._editorModelReference.object.isDirty()) {
			await this._editorModelReference.object.revert(options);
		}
	}