qml: don't implicitly send_onchain from ConfirmTxDialog, externalize

electrum/gui/qml/components/ConfirmTxDialog.qml

@@ -252,9 +252,6 @@ ElDialog {
                 enabled: finalizer.valid
                 onClicked: {
                     txaccepted()
-                    if (!Daemon.currentWallet.isWatchOnly) {
-                        finalizer.send_onchain()
-                    }
                     dialog.close()
                 }
             }

electrum/gui/qml/components/OpenChannel.qml

@@ -180,6 +180,9 @@ Pane {
             var dialog = confirmOpenChannelDialog.createObject(root, {
                 'satoshis': channelopener.amount
             })
+            dialog.txaccepted.connect(function() {
+                dialog.finalizer.send_onchain()
+            })
             dialog.open()
         }
         onChannelOpening: {

electrum/gui/qml/components/Send.qml

@@ -171,6 +171,8 @@ Pane {
                         rootItem.clear()
                         if (Daemon.currentWallet.isWatchOnly) {
                             showUnsignedTx(dialog.finalizer.serializedTx())
+                        } else {
+                            dialog.finalizer.send_onchain()
                         }
                     })
                     dialog.open()
@@ -281,6 +283,8 @@ Pane {
                     dialog.txaccepted.connect(function() {
                         if (Daemon.currentWallet.isWatchOnly) {
                             showUnsignedTx(dialog.finalizer.serializedTx())
+                        } else {
+                            dialog.finalizer.send_onchain()
                         }
                     })
                     dialog.open()