Bitcoin wallet broken "ChecksumMismatch"
**Describe the bug**
The bitcoin wallet is disfunctional and can't be initialized.

**Lost/trapped Funds**
Yes or No

**Debug logs**

```
./swap --testnet export-bitcoin-wallet
2022-10-24T16:46:03.72861Z  INFO Logging initialized to /Users/***/Library/Application Support/xmr-btc-swap/cli/testnet/logs
Error: Failed to initialize Bitcoin wallet

Caused by:
    ChecksumMismatch
```

**Platform (please complete the following information):**

- CLI
- Software Version: HEAD (preview)
- Operating System: M2 Mac OS
