Mapping over empty `Result` object adds one value.

[antondalgren]

Ethers Version

6.3.0

Search Terms

No response

Describe the Problem

Mapping over a empty result object(empty array) adds an extra value.

Code Snippet

const a = new Result();
  console.log(a.length); // 0
  const b = a.map((x) => x);
  console.log(b.length); // 1

### Contract ABI

_No response_

### Errors

_No response_

### Environment

_No response_

### Environment (Other)

_No response_

[ricmoo]

Confirmed as a bug and fixed locally. Please also see #4036.

I'll publish a fix shortly.

[ricmoo]

Fixed in v6.4.0.

Let me know if there are still any issues.

Thanks! :)