Flaky test: `Update modal should reload the extension when confirmed`

### What is this about?

[View logs](https://github.com/MetaMask/metamask-extension/actions/runs/16613417448/job/47001532199)
```js
Error: ECONNREFUSED connect ECONNREFUSED 127.0.0.1:34227
at ClientRequest. (node_modules/selenium-webdriver/http/index.js:293:15)
at ClientRequest.emit (node:events:518:28)
at emitErrorEvent (node:_http_client:104:11)
at Socket.socketErrorListener (node:_http_client:518:5)
at Socket.emit (node:events:518:28)
at emitErrorNT (node:internal/streams/destroy:170:8)
at emitErrorCloseNT (node:internal/streams/destroy:129:3)
at process.processTicksAndRejections (node:internal/process/task_queues:90:21)
```

### Scenario

_No response_

### Design

_No response_

### Technical Details

_No response_

### Threat Modeling Framework

_No response_

### Acceptance Criteria

_No response_

### Stakeholder review needed before the work gets merged

- [ ] Engineering (needed in most cases)
- [ ] Design
- [ ] Product
- [ ] QA (automation tests are required to pass before merging PRs but not all changes are covered by automation tests - please review if QA is needed beyond automation tests)
- [ ] Security
- [ ] Legal
- [ ] Marketing
- [ ] Management (please specify)
- [ ] Other (please specify)

### References

_No response_

Start with the linked CI logs and locate the automated test named `Update modal should reload the extension when confirmed`. Investigate the ECONNREFUSED failure on the Selenium WebDriver connection, then verify that the test completes reliably in CI without the connection error.

Written by the indexing model from the issue text.