qml: fix width/height binding loop in Network Traffic page

Author: jarolrod

src/qml/pages/node/NetworkTraffic.qml

@@ -28,15 +28,16 @@ InformationPage {
         Rectangle {
             Layout.alignment: Qt.AlignHCenter
             color: Theme.color.neutral3
-            width: childrenRect.width + 6
-            height: childrenRect.height + 6
+            width: scaleRow.implicitWidth + 6
+            height: scaleRow.implicitHeight + 6
             radius: 3
 
             Behavior on color {
                 ColorAnimation { duration: 150 }
             }
 
             RowLayout {
+                id: scaleRow
                 anchors.centerIn: parent
                 anchors.margins: 3
                 spacing: 5