fix: capture only local ppom errors (#29702)

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## **Description**
This PR refines error handling by limiting the capture of errors to
those occurring within the local PPOM, reducing unnecessary noise.
Errors from the API are already tracked through observability tools,
ensuring a more streamlined and focused error reporting process.
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## **Related issues**

Fixes: #28767

## **Manual testing steps**

1. Go to the test dapp
2. Click on one of the buttons in `PPOM - Malicious Transactions and
Signatures` section
3. API should perform the validation as normal

## **Screenshots/Recordings**

[Screencast from 2025-01-14
16-00-47.webm](https://github.com/user-attachments/assets/f1a3cf62-fbf9-4711-94bc-de37a7b0d67b)

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### **Before**

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### **After**

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## **Pre-merge reviewer checklist**

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [ ] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.

app/scripts/lib/ppom/ppom-util.ts

@@ -139,7 +139,9 @@ export function handlePPOMError(
   const errorData = getErrorData(error);
   const description = getErrorMessage(error);
 
-  sentry?.captureException(error);
+  if (source === SecurityAlertSource.Local) {
+    sentry?.captureException(error);
+  }
   console.error(logMessage, errorData);
 
   return {