fix(core): Fix pairedItem issue with partial manual executions (#8575)

Co-authored-by: Danny Martini <danny@n8n.io>
Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/cli/src/WorkflowHelpers.ts

@@ -227,9 +227,9 @@ export function getExecutionStartNode(data: IWorkflowExecutionDataProcess, workf
 	let startNode;
 	if (
 		data.startNodes?.length === 1 &&
-		Object.keys(data.pinData ?? {}).includes(data.startNodes[0])
+		Object.keys(data.pinData ?? {}).includes(data.startNodes[0].name)
 	) {
-		startNode = workflow.getNode(data.startNodes[0]) ?? undefined;
+		startNode = workflow.getNode(data.startNodes[0].name) ?? undefined;
 	}
 
 	return startNode;