SettingsNode: implement multiple remote nodes support

wizard/WizardDaemonSettings.qml

@@ -42,7 +42,13 @@ ColumnLayout {
 
     function save(){
         persistentSettings.useRemoteNode = remoteNode.checked
-        persistentSettings.remoteNodeAddress = remoteNodeEdit.getAddress();
+        const index = remoteNodesModel.appendIfNotExists({
+            address: remoteNodeEdit.getAddress(),
+            username: "",
+            password: "",
+            trusted: false,
+        });
+        remoteNodesModel.applyRemoteNode(index);
         if (bootstrapNodeEdit.daemonAddrText == "auto") {
             persistentSettings.bootstrapNodeAddress = "auto";
         } else {
@@ -179,7 +185,7 @@ ColumnLayout {
             id: remoteNodeEdit
             Layout.fillWidth: true
 
-            initialAddress: persistentSettings.remoteNodeAddress
+            initialAddress: remoteNodesModel.currentRemoteNode().address
         }
     }
 }

wizard/WizardSummary.qml

@@ -65,10 +65,10 @@ ColumnLayout {
     }
 
     WizardSummaryItem {
-        visible: persistentSettings.remoteNodeAddress !== "" && appWindow.walletMode == 0
+        visible: remoteNodesModel.currentRemoteNode().address !== "" && appWindow.walletMode == 0
         Layout.fillWidth: true
         header: qsTr("Daemon address") + translationManager.emptyString
-        value: persistentSettings.remoteNodeAddress
+        value: remoteNodesModel.currentRemoteNode().address
     }
 
     WizardSummaryItem {