### 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_
data.watchonly_wal->m_address_book[addr_pair.first].SetLabel(label);
                }
            }
            if (data.solvable_wal) {
                LOCK(data.solvable_wal->cs_wal);
                // Add to th
                stdstring label = addr_pair.second.GetLabel();
                data.solvable_wal->m_address_book[addr_pair.first].purpose = addr_pair.second.purpose;
                if (!addr_pair.second.IsChange()) {
                    data.solvable_wal->m_address_book[addr_pair.first].SetLabel(label);
                }
            }
        }
    }
    // Persist added address book entries (labels, purpose) for watchonly and solvabls
    auto persist_address_book = [](const CWal& wal) {
        LOCK(wal.cs_wal);
        WalBatch batch{wal.GetDatabase()};
        for (const auto& [destination, addr_book_data]  wal.m_address_book) {
            auto address{EncodeDestination(destination)};
            stdoptional<stdstring> label = addr_book_data.IsChange() ? stdnullopt  stdmake_optional(addr_book_data.GetLabel());
            // don't bot
            if (addr_book_data.purpose) batch.WritePurpose(address, PurposeToString(*addr_book_data.purpose));
            if (label) batch.WriteName(address, *label);
        }
    };
    if (data.watchonly_wal) persist_address_book(*data.watchonly_wal);
    if (data.solvable_wal) persist_address_book(*data.solvable_wal);
    // Remove the things to dee
    if (dests_to_dee.size() > 0) {