refactor: Run lintfix (no-changelog) (#7537)

- Fix autofixable violations
- Remove unused directives
- Allow for PascalCased variables - needed for dynamically imported or
assigned classes, decorators, routers, etc.

packages/nodes-base/nodes/Google/Sheet/v2/actions/sheet/appendOrUpdate.operation.ts

@@ -1,11 +1,11 @@
 import type { IExecuteFunctions, IDataObject, INodeExecutionData } from 'n8n-workflow';
+import { NodeOperationError } from 'n8n-workflow';
 import type {
 	ISheetUpdateData,
 	SheetProperties,
 	ValueInputOption,
 	ValueRenderOption,
 } from '../../helpers/GoogleSheets.types';
-import { NodeOperationError } from 'n8n-workflow';
 import type { GoogleSheet } from '../../helpers/GoogleSheet';
 import { cellFormatDefault, untilSheetSelected } from '../../helpers/GoogleSheets.utils';
 import { cellFormat, handlingExtraData, locationDefine } from './commonDescription';
@@ -245,7 +245,7 @@ export async function execute(
 
 	const sheetData = await sheet.getData(sheetName, 'FORMATTED_VALUE');
 
-	if (sheetData === undefined || sheetData[headerRow] === undefined) {
+	if (sheetData?.[headerRow] === undefined) {
 		throw new NodeOperationError(
 			this.getNode(),
 			`Could not retrieve the column names from row ${headerRow + 1}`,