message: Fix false flagged flagged fail to add metadata.
diff: @@ -4153,7 +4153,7 @@ bool AnonWallet::ProcessStealthOutput(const CTxDestination &address, std::vector
  if (IsLocked()) {
  // Save ephemeral pubkey
  - if (AddStealthDestinationMeta(addr->GetID(), idStealthDestination, vchEphemPK))
  + if (!AddStealthDestinationMeta(addr->GetID(), idStealthDestination, vchEphemPK))
  return error("%s: Failed to add metadata for stealth destination", __func__);
  nFoundStealth++;
  