External inputs are currently only supported for initial transaction creation functions. Extend `solving_data` arguments as necessary to support fee bumping wallet transactions with non-wallet inputs.

https://github.com/bitcoin/bitcoin/pull/17211#issuecomment-897653994
for (const auto& txout : wtx.tx->vout) {
        result.txout_is_mine.emplace_back(wallet.IsMine(txout));
        result.txout_address.emplace_back();
        result.txout_address_is_mine.emplace_back(ExtractDestination(txout.scriptPubKey, result.txout_address.back()) ?
                                                      wallet.IsMine(result.txout_address.back()) :
                                                      ISMINE_NO);
    }
    result.credit = CachedTxGetCredit(wallet, wtx, ISMINE_ALL);
    result.debit = CachedTxGetDebit(wallet, wtx, ISMINE_ALL);
    result.change = CachedTxGetChange(wallet, wtx);
    result.time = wtx.GetTxTime();
    result.value_map = wtx.mapValue;
    result.is_coinbase = wtx.IsCoinBase();
    return result;
}
WalletTxStatus MakeWalletTxStatus(const CWallet& wallet, const CWalletTx& wtx)
    EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
{
    AssertLockHeld(wallet.cs_wallet);
    WalletTxStatus result;
    result.block_height =
        wtx.state<TxStateConfirmed>() ? wtx.state<TxStateConfirmed>()->confirmed_block_height :
        wtx.state<TxStateConflicted>() ? wtx.state<TxStateConflicted>()->conflicting_block_height :
        std::numeric_limits<int>::max();
    result.blocks_to_maturity = wallet.GetTxBlocksToMaturity(wtx);
    result.depth_in_main_chain = wallet.GetTxDepthInMainChain(wtx);
    result.time_received = wtx.nTimeReceived;
    result.lock_time = wtx.tx->nLockTime;
    result.is_trusted = CachedTxIsTrusted(wallet, wtx);
    result.is_abandoned = wtx.isAbandoned();