…9.0 (#30522)

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## **Description**
Patch react-native-ble-plx to guard against null reject codes in
SafePromise.java. When BLE operations fail with a null error code, React
Native's @nonnull promise reject path throws a native
NullPointerException, crashing the app during Ledger connect or Select
Account pagination on Android.
Substitutes a stable fallback code (BleError) while preserving the
existing error message payload.
Fixes #30491

The proper fix will require update the react-native-ble-plx library in
accounts repo.

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## **Changelog**

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CHANGELOG entry: Patch react-native-ble-plx to prevent
nullPointerException throw from native code to crash the app.

## **Related issues**

Fixes: #30491 

## **Manual testing steps**
Test plan
On Android (e.g. Samsung Galaxy S22, Android 16), add a hardware wallet
account via Ledger
 Verify the app does not crash when connecting Ledger
Verify pagination in the Select Account interface works without crashing
 Verify selecting an account completes successfully
 Smoke test other BLE flows (if applicable) to confirm no regressions


```gherkin
Feature: my feature name

  Scenario: user [verb for user action]
    Given [describe expected initial app state]

    When user [verb for user action]
    Then [describe expected outcome]
```

## **Screenshots/Recordings**

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### **Before**

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### **After**

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## **Pre-merge author checklist**

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- [x] I've followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask Mobile
Coding
Standards](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [x] I've completed the PR template to the best of my ability
- [x] I've included tests if applicable
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if applicable
- [x] I've applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

#### Performance checks (if applicable)

- [x] I've tested on Android
  - Ideally on a mid-range device; emulator is acceptable
- [x] I've tested with a power user scenario
- Use these [power-user
SRPs](https://consensyssoftware.atlassian.net/wiki/spaces/TL1/pages/edit-v2/401401446401?draftShareId=9d77e1e1-4bdc-4be1-9ebb-ccd916988d93)
to import wallets with many accounts and tokens
- [x] I've instrumented key operations with Sentry traces for production
performance metrics
- See [`trace()`](/app/util/trace.ts) for usage and
[`addToken`](/app/components/Views/AddAsset/components/AddCustomToken/AddCustomToken.tsx#L274)
for an example

For performance guidelines and tooling, see the [Performance
Guide](https://consensyssoftware.atlassian.net/wiki/spaces/TL1/pages/400085549067/Performance+Guide+for+Engineers).

## **Pre-merge reviewer checklist**

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- [x] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [x] 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.


<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> **Low Risk**
> Small, localized native guard in a vendored BLE dependency; low blast
radius beyond BLE error handling on Android.
> 
> **Overview**
> Adds a **Yarn patch** for `react-native-ble-plx@3.4.0` so Android no
longer hard-crashes when BLE promise rejections use a **null** error
code.
> 
> The patch updates `SafePromise.java` to route all `reject` overloads
through `safeCode()`, substituting **`BleError`** when the code is null
while keeping the original message (and throwable) intact.
**`package.json`** resolutions/dependencies and **`yarn.lock`** now
resolve the dependency to the patched artifact instead of plain `3.4.0`.
> 
> This targets Ledger connect / Select Account pagination failures on
Android where React Native’s `@NonNull` reject path would otherwise
throw a native `NullPointerException`.
> 
> <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit
c20f067. Bugbot is set up for automated
code reviews on this repo. Configure
[here](https://www.cursor.com/dashboard/bugbot).</sup>
<!-- /CURSOR_SUMMARY -->