Hide 'show in browser' when the user can't visit the printer overview

No use then. They can't visit that page.

Contributes to issue CURA-9220.

plugins/UM3NetworkPrinting/resources/qml/MonitorQueue.qml

@@ -39,6 +39,7 @@ Item
         }
         height: 18 * screenScaleFactor // TODO: Theme!
         width: childrenRect.width
+        visible: OutputDevice.canReadPrinterDetails
 
         UM.ColorImage
         {