### 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_
if (it != m_script_metadata.end()) {
            creation_time = it->second.nCreateTime;
        }
        std::vector<std::vector<unsigned char>> sols;
        TxoutType type = Solver(script, sols);
        if (type == TxoutType::MULTISIG) {
            CScript sh_spk = GetScriptForDestination(ScriptHash(script));
            CTxDestination witdest = WitnessV0ScriptHash(script);
            CScript witprog = GetScriptForDestination(witdest);
            CScript sh_wsh_spk = GetScriptForDestination(ScriptHash(witprog));
            
            
            
            
            
            
            
            
            std::vector<std::vector<unsigned char>> keys(sols.begin() + 1, sols.begin() + sols.size() - 1);
            if (HaveWatchOnly(sh_spk) || HaveWatchOnly(script) || HaveKeys(keys, *this) || (HaveCScript(CScriptID(witprog)) && HaveWatchOnly(witprog))) {
                
                assert(IsMine(sh_spk) != ISMINE_NO || IsMine(witprog) != ISMINE_NO || IsMine(sh_wsh_spk) != ISMINE_NO);
                continue;
            }
            assert(IsMine(sh_spk) == ISMINE_NO && IsMine(witprog) == ISMINE_NO && IsMine(sh_wsh_spk) == ISMINE_NO);
            std::unique_ptr<Descriptor> sh_desc = InferDescriptor(sh_spk, *GetSolvingProvider(sh_spk));
            out.solvable_descs.push_back({sh_desc->ToString(), creation_time});
            const auto desc = InferDescriptor(witprog, *this);
            if (desc->IsSolvable()) {
                std::unique_ptr<Descriptor> wsh_desc = InferDescriptor(witprog, *GetSolvingProvider(witprog));