use super parameters lint fixes

@@ -4,7 +4,7 @@ import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:mobile_scanner_example/scanner_error_widget.dart';
 
 class BarcodeListScannerWithController extends StatefulWidget {
-  const BarcodeListScannerWithController({Key? key}) : super(key: key);
+  const BarcodeListScannerWithController({super.key});
 
   @override
   State<BarcodeListScannerWithController> createState() =>

@@ -4,7 +4,7 @@ import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:mobile_scanner_example/scanner_error_widget.dart';
 
 class BarcodeScannerWithController extends StatefulWidget {
-  const BarcodeScannerWithController({Key? key}) : super(key: key);
+  const BarcodeScannerWithController({super.key});
 
   @override
   State<BarcodeScannerWithController> createState() =>

@@ -3,7 +3,7 @@ import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:mobile_scanner_example/scanner_error_widget.dart';
 
 class BarcodeScannerPageView extends StatefulWidget {
-  const BarcodeScannerPageView({Key? key}) : super(key: key);
+  const BarcodeScannerPageView({super.key});
 
   @override
   State<BarcodeScannerPageView> createState() => _BarcodeScannerPageViewState();

@@ -5,7 +5,7 @@ import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:mobile_scanner_example/scanner_error_widget.dart';
 
 class BarcodeScannerReturningImage extends StatefulWidget {
-  const BarcodeScannerReturningImage({Key? key}) : super(key: key);
+  const BarcodeScannerReturningImage({super.key});
 
   @override
   State<BarcodeScannerReturningImage> createState() =>

@@ -6,7 +6,7 @@ import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:mobile_scanner_example/scanner_error_widget.dart';
 
 class BarcodeScannerWithScanWindow extends StatefulWidget {
-  const BarcodeScannerWithScanWindow({Key? key}) : super(key: key);
+  const BarcodeScannerWithScanWindow({super.key});
 
   @override
   State<BarcodeScannerWithScanWindow> createState() =>

@@ -3,7 +3,7 @@ import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:mobile_scanner_example/scanner_error_widget.dart';
 
 class BarcodeScannerWithoutController extends StatefulWidget {
-  const BarcodeScannerWithoutController({Key? key}) : super(key: key);
+  const BarcodeScannerWithoutController({super.key});
 
   @override
   State<BarcodeScannerWithoutController> createState() =>

@@ -5,7 +5,7 @@ import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:mobile_scanner_example/scanner_error_widget.dart';
 
 class BarcodeScannerWithZoom extends StatefulWidget {
-  const BarcodeScannerWithZoom({Key? key}) : super(key: key);
+  const BarcodeScannerWithZoom({super.key});
 
   @override
   State<BarcodeScannerWithZoom> createState() => _BarcodeScannerWithZoomState();

@@ -11,7 +11,7 @@ import 'package:mobile_scanner_example/mobile_scanner_overlay.dart';
 void main() => runApp(const MaterialApp(home: MyHome()));
 
 class MyHome extends StatelessWidget {
-  const MyHome({Key? key}) : super(key: key);
+  const MyHome({super.key});
 
   @override
   Widget build(BuildContext context) {

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:mobile_scanner/mobile_scanner.dart';
 
 class ScannerErrorWidget extends StatelessWidget {
-  const ScannerErrorWidget({Key? key, required this.error}) : super(key: key);
+  const ScannerErrorWidget({super.key, required this.error});
 
   final MobileScannerException error;