Current behavior:

```
src/bitcoin-cli -signet decodescript 2103d3b9c8cc852f3b4a06bad1711fd1a1761a592bf1475edc0a5f97b31759eba330ac736476a914b6e87320e876a740fc1365aeb1f4b6ab2fe4210b88ad53b268
```
```json
{
  "asm": "03d3b9c8cc852f3b4a06bad1711fd1a1761a592bf1475edc0a5f97b31759eba330 OP_CHECKSIG OP_IFDUP OP_NOTIF OP_DUP OP_HASH160 b6e87320e876a740fc1365aeb1f4b6ab2fe4210b OP_EQUALVERIFY OP_CHECKSIGVERIFY 3 OP_CHECKSEQUENCEVERIFY OP_ENDIF",
  "desc": "raw(2103d3b9c8cc852f3b4a06bad1711fd1a1761a592bf1475edc0a5f97b31759eba330ac736476a914b6e87320e876a740fc1365aeb1f4b6ab2fe4210b88ad53b268)#uul8nd2t",
  "type": "nonstandard",
  "p2sh": "2N62ryy2gBC2QBSdsm832Tv6qCW5py53wJn",
  "segwit": {
    "asm": "0 43c1d0387e91045591f19ff6d60af2bc0d91473b79dc3238aa9d0430f89741bc",
    "desc": "addr(tb1qg0qaqwr7jyz9ty03nlmdvzhjhsxez3em08wryw92n5zrp7yhgx7qj56vra)#ugngfnm5",
    "hex": "002043c1d0387e91045591f19ff6d60af2bc0d91473b79dc3238aa9d0430f89741bc",
    "address": "tb1qg0qaqwr7jyz9ty03nlmdvzhjhsxez3em08wryw92n5zrp7yhgx7qj56vra",
    "type": "witness_v0_scripthash",
    "p2sh-segwit": "2N9diLEHbASsz1oAeDQJPg5mb4LaAju9175"
  }
}
```

It would be nice if this (also) returned miniscript.

Perhaps `getaddressinfo` could do this as well (after #24148).

cc @sipa, @darosior 
for (const CTxIn& txin : mergedTx.vin) {
            view.AccessCoin(txin.prevout); 
        }
        view.SetBackend(viewDummy); 
    }
    
    
    const CTransaction txConst(mergedTx);
    
    for (unsigned int i = 0; i < mergedTx.vin.size(); i++) {
        CTxIn& txin = mergedTx.vin[i];
        const Coin& coin = view.AccessCoin(txin.prevout);
        if (coin.IsSpent()) {
            throw JSONRPCError(RPC_VERIFY_ERROR, "Input not found or already spent");
        }
        SignatureData sigdata;
        
        for (const CMutableTransaction& txv : txVariants) {
            if (txv.vin.size() > i) {
                sigdata.MergeSignatureData(DataFromTransaction(txv, i, coin.out));
            }
        }
        ProduceSignature(DUMMY_SIGNING_PROVIDER, MutableTransactionSignatureCreator(mergedTx, i, coin.out.nValue, 1), coin.out.scriptPubKey, sigdata);
        UpdateInput(txin, sigdata);
    }
    return EncodeHexTx(CTransaction(mergedTx));
},
    };
}
static RPCHelpMan signrawtransactionwithkey()