message: [Trivial] fix minColdStakingAmount comment and type
diff: @@ -404,8 +404,8 @@ void ColdStakingWidget::onSendClicked(){
  SendCoinsRecipient dest = sendMultiRow->getValue();
  dest.isP2CS = true;
  - // Amount must be < minColdStakingAmount
  - const int minColdStakingAmount = walletModel->getMinColdStakingAmount();
  + // Amount must be >= minColdStakingAmount
  + const CAmount& minColdStakingAmount = walletModel->getMinColdStakingAmount();
  if (dest.amount < minColdStakingAmount) {
  inform(tr("Invalid entry, minimum delegable amount is ") +
  BitcoinUnits::formatWithUnit(nDisplayUnit, minColdStakingAmount));
  