fix(Spreadsheet File Node): Read file as utf-8 in v1 (#7701)

Github issue / Community forum post (link here to close automatically):

packages/nodes-base/nodes/SpreadsheetFile/v1/SpreadsheetFileV1.node.ts

@@ -77,6 +77,7 @@ export class SpreadsheetFileV1 implements INodeType {
 
 					if (binaryData.id) {
 						const binaryPath = this.helpers.getBinaryPath(binaryData.id);
+						xlsxOptions.codepage = 65001; // utf8 codepage
 						workbook = xlsxReadFile(binaryPath, xlsxOptions);
 					} else {
 						const binaryDataBuffer = Buffer.from(binaryData.data, BINARY_ENCODING);