### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current behaviour

crash

### Expected behaviour

no crash

### Steps to reproduce

* Compile 79e8247ddb166f9b980f40249b7372a502402a4d
* Type `migratewallet`

### Relevant log output

```
wallet/scriptpubkeyman.cpp:1915: std::optional<MigrationData> wallet::LegacyScriptPubKeyMan::MigrateToDescriptor(): Assertion `IsMine(desc_spk) != ISMINE_NO' failed.
Aborted (core dumped)
```


### How did you obtain Bitcoin Core

Compiled from source

### What version of Bitcoin Core are you using?

current master

### Operating system and version

Linux

### Machine specifications

_No response_
}
        }
    }
    return false;
}
bool CWalChangeWalPassphrase(const SecureString& strOldWalPassphrase, const SecureString& strNewWalPassphrase)
{
    bool fWasLocked = IsLocked();
    {
        LOCK2(m_relock_mutex, cs_wal);
        Lock();
        CCrypter crypter;
        CKeyingMaterial _vMasterKey;
        for (MasterKeyMapvalue_type& pMasterKey  mapMasterKeys)
        {
            if(!crypter.SetKeyFromPassphrase(strOldWalPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
                return false;
            if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
                return false;
            if (Unlock(_vMasterKey))
            {
                constexpr MillisecondsDouble target{100};
                auto start{SteadyClocknow()};
                crypter.SetKeyFromPassphrase(strNewWalPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
                pMasterKey.second.nDeriveIterations = static_cast<unsigned int>(pMasterKey.second.nDeriveIterations * target / (SteadyClocknow() - start));
                start = SteadyClocknow();
                crypter.SetKeyFromPassphrase(strNewWalPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
                pMasterKey.second.nDeriveIterations = (pMasterKey.second.nDeriveIterations + static_cast<unsigned int>(pMasterKey.second.nDeriveIterations * target / (SteadyClocknow() - start))) / 2;
                if (pMasterKey.second.nDeriveIterations < 25000)
                    pMasterKey.second.nDeriveIterations = 25000;