clean up warnings

lib/pages/printer_details/printer_details_page.dart

@@ -5,7 +5,6 @@ import 'package:astaprint_admin/widgets/info_tile.dart';
 import 'package:blocs_astaprint/auth.dart';
 import 'package:blocs_astaprint/print_queue.dart';
 import 'package:blocs_astaprint/printers.dart';
-import 'package:clipboard/clipboard.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:http/http.dart' as http;

lib/widgets/info_tile.dart

@@ -27,6 +27,6 @@ class InfoTile extends StatelessWidget {
 
   void _onCopyData(BuildContext context) async {
     await FlutterClipboard.copy(data);
-    ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Wert für ${(title as Text).data} in die Zwischenablage kopiert')));
+    ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Wert für ${title.data} in die Zwischenablage kopiert')));
   }
 }