…MetaMask#4427)

## Explanation
json-rpc-middleware-stream detects notifications by checking if
response.id is falsy, when it should rather check if
hasProperty(response, 'id') is false.
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## References
Fixes MetaMask#4308 
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## Changelog

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### `@metamask/json-rpc-middleware-stream`

- **FIXED**: Incorrect notification handling

## Checklist

- [ ] I've updated the test suite for new or updated code as appropriate
- [ ] I've updated documentation (JSDoc, Markdown, etc.) for new or
updated code as appropriate
- [ ] I've highlighted breaking changes using the "BREAKING" category
above as appropriate

Co-authored-by: legobeat <109787230+legobeat@users.noreply.github.com>