Allow telemetry settings section to hide

src/ui/preferences/GeneralSettings.qml

@@ -415,12 +415,15 @@ Rectangle {
                     Item { width: 1; height: _margins }
                     QGCLabel {
                         text:       qsTr("Telemetry Logs from Vehicle")
+                        visible:    telemetryRect.visible
                     }
                     Rectangle {
+                        id:                     telemetryRect
                         Layout.preferredHeight: loggingCol.height + (_margins * 2)
                         Layout.preferredWidth:  loggingCol.width + (_margins * 2)
                         color:                  qgcPal.windowShade
                         Layout.fillWidth:       true
+                        visible:                promptSaveLog._telemetrySave.visible || logIfNotArmed._telemetrySaveNotArmed.visible || promptSaveCsv._saveCsvTelemetry.visible
                         ColumnLayout {
                             id:                         loggingCol
                             anchors.margins:            _margins