Tested in v0.21.0

```
createmultisig 1 '["04ceba29da1af96a0f2ef7cda6950b8be2baeb1adf12c0d5efebb70dbcaa086ba029cd82a0cfb8dedf65b8760cf271f2b8a50466bbf0b9339c5ffefbe2a4165326"]' p2sh-segwit
{
  "address": "3LfGXVPHtrC9A99JNiAPnygnQuPdpASvN3",
  "redeemScript": "514104ceba29da1af96a0f2ef7cda6950b8be2baeb1adf12c0d5efebb70dbcaa086ba029cd82a0cfb8dedf65b8760cf271f2b8a50466bbf0b9339c5ffefbe2a416532651ae",
  "descriptor": "sh(multi(1,04ceba29da1af96a0f2ef7cda6950b8be2baeb1adf12c0d5efebb70dbcaa086ba029cd82a0cfb8dedf65b8760cf271f2b8a50466bbf0b9339c5ffefbe2a4165326))#dyera70q"
}
```
same result for:
```
createmultisig 1 '["04ceba29da1af96a0f2ef7cda6950b8be2baeb1adf12c0d5efebb70dbcaa086ba029cd82a0cfb8dedf65b8760cf271f2b8a50466bbf0b9339c5ffefbe2a4165326"]' bech32
```

Best if this throws an error telling the user it won't make a nonstandard address.

},
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    LOCK(cs_main);
    std::string strAddress  = request.params[0].get_str();
    std::string strSign     = request.params[1].get_str();
    std::string strMessage  = request.params[2].get_str();
    switch (MessageVerify(strAddress, strSign, strMessage)) {
    case MessageVerificationResult::ERR_INVALID_ADDRESS:
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
    case MessageVerificationResult::ERR_ADDRESS_NO_KEY:
        throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");
    case MessageVerificationResult::ERR_MALFORMED_SIGNATURE:
        throw JSONRPCError(RPC_TYPE_ERROR, "Malformed base64 encoding");
    case MessageVerificationResult::ERR_PUBKEY_NOT_RECOVERED:
    case MessageVerificationResult::ERR_NOT_SIGNED:
        return false;
    case MessageVerificationResult::OK:
        return true;
    }
    return false;
},
    };
}
static RPCHelpMan signmessagewithprivkey()
{
    return RPCHelpMan{"signmessagewithprivkey",
                "\nSign a message with the private key of an address\n",
                {
                    {"privkey", RPCArg::Type::STR, RPCArg::Optional::NO, "The private key to sign the message with."},