fix(core): Fix issue that pinnedData is not used with Test-Webhooks (#8123)

## Summary
When a workflow gets started via a Test-Webhook the pinned data does get
ignored and the nodes executed anyway.



## Related tickets and issues
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## Review / Merge checklist
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automatically goes into the changelog. Use `(no-changelog)` otherwise.**
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- [ ] [Docs updated](https://github.com/n8n-io/n8n-docs) or follow-up
ticket created.
- [X] Tests included.
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from happening again.
   > A feature is not complete without tests.

---------

Co-authored-by: Mutasem Aldmour <mutasem@n8n.io>

packages/cli/src/WebhookHelpers.ts

@@ -514,11 +514,16 @@ export async function executeWebhook(
 			Object.assign(runExecutionData, runExecutionDataMerge);
 		}
 
+		if (workflowData.pinData) {
+			runExecutionData.resultData.pinData = workflowData.pinData;
+		}
+
 		const runData: IWorkflowExecutionDataProcess = {
 			executionMode,
 			executionData: runExecutionData,
 			sessionId,
 			workflowData,
+			pinData: workflowData.pinData,
 			userId: user.id,
 		};