message: Load mintpool db on init.
diff: @@ -5287,6 +5287,7 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(const std::string& name,
  auto idExpect = zwallet->GetMasterSeedID();
  assert(keyZerocoin.GetPubKey().GetID() == idExpect);
  zwallet->SetMasterSeed(keyZerocoin);
  + zwallet->LoadMintPoolFromDB();
  zwallet->GenerateMintPool();
  zwallet->SyncWithChain();
  