Many minor improvements

lib/dialogs/esptouchdialog.dart

@@ -2,7 +2,7 @@ import 'package:esptouch_flutter/esptouch_flutter.dart';
 import 'package:flutter/material.dart';
 import 'package:liteauthconfig/l10n/app_localizations.dart';
 
-import '../appconfig.dart';
+import '../models/appconfig.dart';
 
 class ESPTouchDialog extends StatefulWidget {
   final String name;
@@ -81,7 +81,7 @@ class _ESPTouchDialog extends State<ESPTouchDialog> {
   Widget build(BuildContext context) {
     final appLocal = AppLocalizations.of(context)!;
 
-    return AlertDialog(
+    return AlertDialog.adaptive(
       title: Text(appLocal.networkInitHeadline),
       content: Column(
         mainAxisSize: MainAxisSize.min,