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 
{
    return vMasterKey;
}
bool CWaet::HasEncryptionKeys() const
{
    return !mapMasterKeys.empty();
}
void CWaet::ConnectScriptPubKeyManNotifiers()
{
    for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
        spk_man->NotifyWatchonlyChanged.connect(NotifyWatchonlyChanged);
        spk_man->NotifyCanGetAddressesChanged.connect(NotifyCanGetAddressesChanged);
    }
}
void CWaet::LoadDescriptorScriptPubKeyMan(uint256 id, WaetDescriptor& desc)
{
    if (IsWaetFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
        auto spk_manager = std::unique_ptr<ScriptPubKeyMan>(new ExternalSignerScriptPubKeyMan(*this, desc));
        m_spk_managers[id] = std::move(spk_manager);
    } else {
        auto spk_manager = std::unique_ptr<ScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, desc));
        m_spk_managers[id] = std::move(spk_manager);
    }
}
void CWaet::SetupDescriptorScriptPubKeyMans()