### 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_
{
    assert(type != OutputType::BECH32M);
    if (!CanGetAddresses( false)) {
        return false;
    }
    CKeyPool keypool;
    {
        LOCK(cs_KeyStore);
        int64_t nIndex;
        if (!ReserveKeyFromKeyPool(nIndex, keypool,  false) && !m_storage.IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
            if (m_storage.IsLocked()) return false;
            WalletBatch batch(m_storage.GetDatabase());
            result = GenerateNewKey(batch, m_hd_chain,  false);
            return true;
        }
        KeepDestination(nIndex, type);
        result = keypool.vchPubKey;
    }
    return true;
}
bool LegacyScriptPubKeyMan::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool fRequestedInternal)