### 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_
{
    WalletBatch batch(m_storage.GetDatabase());
    for (const CScript& script : script_pub_keys) {
        if (!have_solving_data || !IsMine(script)) { 
            if (!AddWatchOnlyWithDB(batch, script, timestamp)) {
                return false;
            }
        }
    }
    return true;
}
std::set<CKeyID> LegacyScriptPubKeyMan::GetKeys() const