fix: more use of "super.key"

lib/src/widgets/downloader/cancel_dismiss_button.dart

@@ -3,10 +3,10 @@ import 'package:gettext_i18n/gettext_i18n.dart';
 
 class CancelDismissButton extends StatelessWidget {
   const CancelDismissButton({
-    Key? key,
     required this.downloadFinished,
     required this.onCancel,
-  }) : super(key: key);
+    super.key,
+  });
 
   final bool downloadFinished;
   final VoidCallback onCancel;

lib/src/widgets/downloader/download_label.dart

@@ -2,12 +2,12 @@ import 'package:flutter/material.dart';
 import 'package:gettext_i18n/gettext_i18n.dart';
 
 class DownloadLabel extends StatelessWidget {
-  const DownloadLabel(
-      {Key? key,
-      required this.downloadFinished,
-      required this.data,
-      required this.downloader})
-      : super(key: key);
+  const DownloadLabel({
+    required this.downloadFinished,
+    required this.data,
+    required this.downloader,
+    super.key,
+  });
 
   final bool downloadFinished;
   final double? data;

lib/src/widgets/downloader/download_progress_bar.dart

@@ -2,10 +2,10 @@ import 'package:flutter/material.dart';
 
 class DownloadProgressBar extends StatelessWidget {
   const DownloadProgressBar({
-    Key? key,
     required this.downloadFinished,
     required this.data,
-  }) : super(key: key);
+    super.key,
+  });
 
   final bool downloadFinished;
   final double? data;

lib/src/widgets/home_page/downloader_menu.dart

@@ -8,9 +8,8 @@ import '../../globals.dart';
 import '../../mixins/preferences_mixin.dart';
 import '../home_page/home_page_button_group.dart';
 
-
 class DownloaderMenu extends StatefulWidget {
-  const DownloaderMenu({Key? key}) : super(key: key);
+  const DownloaderMenu({super.key});
 
   @override
   State<DownloaderMenu> createState() => _DownloaderMenuState();

lib/src/widgets/home_page/downloader_page_button.dart

@@ -2,11 +2,11 @@ import 'package:flutter/material.dart';
 
 class DownloaderPageButton extends StatelessWidget {
   const DownloaderPageButton({
-    Key? key,
     this.label,
     required this.text,
     this.onPressed,
-  }) : super(key: key);
+    super.key,
+  });
 
   final String? label;
   final String text;

lib/src/widgets/home_page/home_page_button.dart

@@ -2,11 +2,11 @@ import 'package:flutter/material.dart';
 
 class HomePageButton extends StatelessWidget {
   const HomePageButton({
-    Key? key,
     this.label,
     required this.text,
     this.onPressed,
-  }) : super(key: key);
+    super.key,
+  });
 
   final String? label;
   final String text;

lib/src/widgets/home_page/logo.dart

@@ -1,9 +1,7 @@
 import 'package:flutter/material.dart';
 
 class Logo extends StatelessWidget {
-  const Logo({
-    Key? key,
-  }) : super(key: key);
+  const Logo({super.key});
 
   @override
   Widget build(BuildContext context) {

lib/src/widgets/home_page/main_menu.dart

@@ -6,7 +6,7 @@ import '../../pages/manager.dart';
 import '../home_page/home_page_button.dart';
 
 class MainMenu extends StatelessWidget {
-  const MainMenu({Key? key}) : super(key: key);
+  const MainMenu({super.key});
 
   @override
   Widget build(BuildContext context) {

lib/src/widgets/left_menu.dart

@@ -9,7 +9,7 @@ import '../mixins/preferences_mixin.dart';
 import '../model/app_settings.dart';
 
 class LeftMenu extends StatefulWidget {
-  const LeftMenu({Key? key}) : super(key: key);
+  const LeftMenu({super.key});
 
   @override
   State<LeftMenu> createState() => _LeftMenuState();