message: Fix wrong category for Sigma spend when there is changes
diff: @@ -1379,12 +1379,12 @@ void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDe
  entry.push_back(Pair("involvesWatchonly", true));
  entry.push_back(Pair("account", strSentAccount));
  MaybePushAddress(entry, s.destination, addr);
  - if (wtx.IsZerocoinMint() || wtx.IsZerocoinMintV3()) {
  - entry.push_back(Pair("category", "mint"));
  - }
  - else if (wtx.IsZerocoinSpend() || wtx.IsZerocoinSpendV3()) {
  + if (wtx.IsZerocoinSpend() || wtx.IsZerocoinSpendV3()) {
  entry.push_back(Pair("category", "spend"));
  }
  + else if (wtx.IsZerocoinMint() || wtx.IsZerocoinMintV3()) {
  + entry.push_back(Pair("category", "mint"));
  + }
  else {
  entry.push_back(Pair("category", "send"));
  }
  