message: [Qt] Fixup topbar balance calculation
  Prevents negative balance results
diff: @@ -527,13 +527,13 @@ void TopBar::updateBalances(const CAmount& balance, const CAmount& unconfirmedBa
  const CAmount& delegatedBalance, const CAmount& coldStakedBalance){
  CAmount nLockedBalance = 0;
  - if (!walletModel) {
  + if (walletModel) {
  nLockedBalance = walletModel->getLockedBalance();
  }
  // PIV Balance
  - //CAmount nTotalBalance = balance + unconfirmedBalance;
  - CAmount pivAvailableBalance = balance + delegatedBalance - immatureBalance - nLockedBalance;
  + //CAmount nTotalBalance = balance + unconfirmedBalance + immatureBalance;
  + CAmount pivAvailableBalance = balance + delegatedBalance - nLockedBalance;
  // zPIV Balance
  CAmount matureZerocoinBalance = zerocoinBalance - unconfirmedZerocoinBalance - immatureZerocoinBalance;
  