perf(Google Sheets Node): Don't load whole spreadsheet dataset to det…

…ermine columns when appending data (#11235)

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

@@ -226,7 +226,9 @@ export async function execute(
 		keyRowIndex = locationDefine.headerRow as number;
 	}
 
-	const sheetData = await sheet.getData(range, 'FORMATTED_VALUE');
+	const [sheetNameForKeyRow] = range.split('!');
+	const sheetNameWithRangeForKeyRow = `${sheetNameForKeyRow}!1:${keyRowIndex}`;
+	const sheetData = await sheet.getData(sheetNameWithRangeForKeyRow, 'FORMATTED_VALUE');
 
 	if (sheetData === undefined || !sheetData.length) {
 		dataMode = 'autoMapInputData';