### 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_
{
    AssertLockHeld(cs_wal);
    const auto it = mapWal.find(hash);
    if (it == mapWal.end())
        return nullptr;
    return &(it->second);
}
void CWalUpgradeKeyMetadata()
{
    if (IsLocked() || IsWalFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA)) {
        return;
    }
    auto spk_man = GetLegacyScriptPubKeyMan();
    if (!spk_man) {
        return;
    }
    spk_man->UpgradeKeyMetadata();
    SetWalFlag(WALLET_FLAG_KEY_ORIGIN_METADATA);