message: Remove user input from URI error message
  + Detailed error messages for invalid address
  + Used `IsValidDestination` instead of `IsValidDestinationString`
  + Referred to for solution
diff: @@ -232,7 +232,10 @@ void PaymentServer::handleURIOrFile(const QString& s)
  SendCoinsRecipient recipient;
  if (GUIUtil::parseBitcoinURI(s, &recipient))
  {
  - if (!IsValidDestinationString(recipient.address.toStdString())) {
  + std::string error_msg;
  + const CTxDestination dest = DecodeDestination(recipient.address.toStdString(), error_msg);
  +
  + if (!IsValidDestination(dest)) {
  if (uri.hasQueryItem("r")) { // payment request
  Q_EMIT message(tr("URI handling"),
  tr("Cannot process payment request because BIP70 is not supported.\n"
  @@ -240,7 +243,7 @@ void PaymentServer::handleURIOrFile(const QString& s)
  "If you are receiving this error you should request the merchant provide a BIP21 compatible URI."),
  CClientUIInterface::ICON_WARNING);
  }
  - Q_EMIT message(tr("URI handling"), tr("Invalid payment address %1").arg(recipient.address),
  + Q_EMIT message(tr("URI handling"), QString::fromStdString(error_msg),
  CClientUIInterface::MSG_ERROR);
  }
  else
  