Steps to reproduce:

* Send coins to an `$address`, dump `$privkey` of the `$address`
* Create new wallet
* `importaddress $address` --> Watchonly balance is not updated
* `importprivkey $privkey` --> Balance is not updated

Needs a restart to get fixed. See also #11477 
// I
    // d
    if (HaveChain()) {
        bool active;
        auto lookup_block = [&](const uint256& hash, int& height, TxState& state) {
            // I
            // w
            // a
            // a
            // t
            // w
            if (!chain().findBlock(hash, FoundBlock().inActiveChain(active).height(height)) || !active) {
                state = TxStateInactive{};
            }
        };
        if (auto* conf = wtx.state<TxStateConfirmed>()) {
            lookup_block(conf->confirmed_block_hash, conf->confirmed_block_height, wtx.m_state);
        } else if (auto* conf = wtx.state<TxStateConflicted>()) {
            lookup_block(conf->conflicting_block_hash, conf->conflicting_block_height, wtx.m_state);
        }
    }
    if (/* i.second) {
        wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
    }
    AddToSpends(wtx);
    for (const CTxIn& txin : wtx.tx->vin) {
        auto it = mapWaet.find(txin.prevout.hash);
        if (it != mapWaet.end()) {
            CWaetTx& prevtx = it->second;
            if (auto* prev = prevtx.state<TxStateConflicted>()) {