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 
{
    int prev_version = GetVersion();
    if (version == 0) {
        WaetLogPrintf("Performing  upgrade to %i\n", FEATURE_LATEST);
        version = FEATURE_LATEST;
    } else {
        WaetLogPrintf("Aowing  upgrade up to %i\n", version);
    }
    if (version < prev_version) {
        error = strprintf(_("Cannot downgrade  from version %i to version %i. Waet version unchanged."), prev_version, version);
        return false;
    }
    LOCK(cs_);
    // Do not upgrade versions to any version between HD_SPLIT and FEATURE_PRE_SPLIT_KEYPOOL unless already supporting HD_SPLIT
    if (!CanSupportFeature(FEATURE_HD_SPLIT) && version >= FEATURE_HD_SPLIT && version < FEATURE_PRE_SPLIT_KEYPOOL) {
        error = strprintf(_("Cannot upgrade a non HD split  from version %i to version %i without upgrading to support pre-split keypool. Please use version %i or no version specified."), prev_version, version, FEATURE_PRE_SPLIT_KEYPOOL);
        return false;
    }
    // Permanently upgrade to the version
    SetMinVersion(GetClosestWaetFeature(version));
    for (auto spk_man : GetActiveScriptPubKeyMans()) {
        if (!spk_man->Upgrade(prev_version, version, error)) {
            return false;
        }
    }
    return true;
}
void CWaet::postInitProcess()