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 
addtx_count = 0;
    auto handler = HandleLoadWallet(context, [&](std::unique_ptr<interfaces::Wallet> wallet) {
            BOOST_CHECK(rescan_completed);
            m_coinbase_txns.push_back(CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
            block_tx = TestSimpleSpend(*m_coinbase_txns[2], 0, coinbaseKey, GetScriptForRawPubKey(key.GetPubKey()));
            m_coinbase_txns.push_back(CreateAndProcessBlock({block_tx}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
            mempool_tx = TestSimpleSpend(*m_coinbase_txns[3], 0, coinbaseKey, GetScriptForRawPubKey(key.GetPubKey()));
            BOOST_CHECK(m_node.chain->broadcastTransaction(MakeTransactionRef(mempool_tx), DEFAULT_TRANSACTION_MAXFEE, false, error));
            SyncWithValidationInterfaceQueue();
        });
    wallet = TestLoadWallet(context);
    BOOST_CHECK_EQUAL(addtx_count, 4);
    {
        LOCK(wallet->cs_wallet);
        BOOST_CHECK_EQUAL(wallet->mapWallet.count(block_tx.GetHash()), 1U);
        BOOST_CHECK_EQUAL(wallet->mapWallet.count(mempool_tx.GetHash()), 1U);
    }
    TestUnloadWallet(std::move(wallet));
}
BOOST_FIXTURE_TEST_CASE(CreateWalletWithoutChain, BasicTestingSetup)
{
    WalletContext context;
    context.args = &m_args;
    auto wallet = TestLoadWallet(context);
    BOOST_CHECK(wallet);
    UnloadWallet(std::move(wallet));
}
BOOST_FIXTURE_TEST_CASE(ZapSelectTx, TestChain100Setup)