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/test/SpreadsheetFile.test.ts

@@ -178,6 +178,22 @@ describe('Execute Spreadsheet File Node', () => {
 				},
 			},
 		},
+		{
+			description: 'execute utf8.json',
+			input: {
+				workflowData: loadWorkflow('workflow.utf8.json', 'utf8.csv'),
+			},
+			output: {
+				nodeData: {
+					'Parse UTF8 v1': [
+						[{ json: { A: 1, B: '株式会社', C: 3 } }, { json: { A: 4, B: 5, C: '🐛' } }],
+					],
+					'Parse UTF8 v2': [
+						[{ json: { A: '1', B: '株式会社', C: '3' } }, { json: { A: '4', B: '5', C: '🐛' } }],
+					],
+				},
+			},
+		},
 	];
 
 	const nodeTypes = Helpers.setup(tests);