Minor fixes: fixed scanning of btc uri; fixed display of confirm button on exchange trade screen./

lib/src/screens/exchange_trade/exchange_trade_page.dart

@@ -227,7 +227,7 @@ class ExchangeTradeState extends State<ExchangeTradeForm> {
             final sendingState =
                 widget.exchangeTradeViewModel.sendViewModel.state;
 
-            return trade.from == CryptoCurrency.xmr &&
+            return widget.exchangeTradeViewModel.isSendable &&
                     !(sendingState is TransactionCommitted)
                 ? LoadingPrimaryButton(
                     isDisabled: trade.inputAddress == null ||
@@ -235,9 +235,7 @@ class ExchangeTradeState extends State<ExchangeTradeForm> {
                     isLoading: sendingState is IsExecutingState,
                     onPressed: () =>
                         widget.exchangeTradeViewModel.confirmSending(),
-                    text: trade.provider == ExchangeProviderDescription.xmrto
-                        ? S.of(context).confirm
-                        : S.of(context).send_xmr,
+                    text: S.of(context).confirm,
                     color: Theme.of(context).accentTextTheme.body2.color,
                     textColor: Colors.white)
                 : Offstage();

lib/src/screens/send/send_page.dart

@@ -133,7 +133,8 @@ class SendPage extends BasePage {
 
                                   if (uri != null) {
                                     address = uri.path;
-                                    amount = uri.queryParameters['tx_amount'];
+                                    amount = uri.queryParameters['tx_amount'] ??
+                                        uri.queryParameters['amount'];
                                   } else {
                                     address = uri.toString();
                                   }
@@ -750,8 +751,7 @@ class SendPage extends BasePage {
   }
 
   Future<void> _setTransactionPriority(BuildContext context) async {
-    final items =
-        TransactionPriority.forWalletType(sendViewModel.walletType);
+    final items = TransactionPriority.forWalletType(sendViewModel.walletType);
     final selectedItem = items.indexOf(sendViewModel.transactionPriority);
 
     await showPopUp<void>(

lib/src/screens/send/send_template_page.dart

@@ -113,7 +113,8 @@ class SendTemplatePage extends BasePage {
 
                               if (uri != null) {
                                 address = uri.path;
-                                amount = uri.queryParameters['tx_amount'];
+                                amount = uri.queryParameters['tx_amount'] ??
+                                    uri.queryParameters['amount'];
                               } else {
                                 address = uri.toString();
                               }