qml: Connect Recipient label to Note to self input

Author: johnny9

src/qml/pages/wallet/Send.qml

@@ -245,6 +245,7 @@ PageStack {
                     Layout.fillWidth: true
                     labelText: qsTr("Note to self")
                     placeholderText: qsTr("Enter ...")
+                    text: root.recipient.label
                     onTextEdited: root.recipient.label = label.text
                 }