Rbf fixes issues op return data plus ThorChain (#1648)

* total out amount issue

* fix empty inputs and outputs addresses for new tx

* fix sum value of utxo not spending

* Update configure.dart

* Update electrum_wallet.dart

* receiving address

* review fixes

* add op_return data

* fix rbf transaction with a memo

* add memo check for ThorChain trade

* code enhancement [skip ci]

* code enhancement [skip ci]

* directly use fromElectrumBundle function to update transaction info

---------

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

lib/view_model/exchange/exchange_view_model.dart

@@ -845,6 +845,13 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
         );
       }
 
+      if ((trade.memo == null || trade.memo!.isEmpty)) {
+        return CreateTradeResult(
+          result: false,
+          errorMessage: 'Memo is required for Thorchain trade',
+        );
+      }
+
       final currenciesToCheckPattern = RegExp('0x[0-9a-zA-Z]');
 
       // Perform checks for payOutAddress