### 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_
{
    LOCK(cs_KeyStore);
    if (!m_storage.HasEncryptionKeys()) {
        return FillableSigningProvider::GetKeys();
    }
    std::set<CKeyID> set_address;
    for (const auto& mi : mapCryptedKeys) {
        set_address.insert(mi.first);
    }
    return set_address;
}
std::unordered_set<CScript, SaltedSipHasher> LegacyScriptPubKeyMan::GetScriptPubKeys() const
{
    LOCK(cs_KeyStore);
    std::unordered_set<CScript, SaltedSipHasher> spks;
    
    for (const auto& key_pair : mapKeys) {
        const CPubKey& pub = key_pair.second.GetPubKey();
        spks.insert(GetScriptForRawPubKey(pub));
        spks.insert(GetScriptForDestination(PKHash(pub)));
    }
    for (const auto& key_pair : mapCryptedKeys) {
        const CPubKey& pub = key_pair.second.first;
        spks.insert(GetScriptForRawPubKey(pub));
        spks.insert(GetScriptForDestination(PKHash(pub)));
    }
    
    
    
    for (const auto& script_pair : mapScripts) {