build: Update packages and flutter super.key refactoring

lib/widgets/layouts/empty_page.dart

@@ -5,7 +5,7 @@ import 'package:flutter/material.dart';
 class EmptyPage extends StatelessWidget {
   final bool loading;
   static const double _width = 300;
-  const EmptyPage({this.loading = false, Key? key}) : super(key: key);
+  const EmptyPage({this.loading = false, super.key});
   @override
   Widget build(BuildContext context) {
     final width = min(MediaQuery.of(context).size.width, EmptyPage._width) / 2;

lib/widgets/layouts/login_scaffold.dart

@@ -13,11 +13,11 @@ class LoginScaffold extends StatelessWidget {
   final bool enforceMobileMode;
 
   const LoginScaffold({
-    Key? key,
+    super.key,
     required this.body,
     this.appBar,
     this.enforceMobileMode = false,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {

lib/widgets/layouts/max_width_body.dart

@@ -15,8 +15,8 @@ class MaxWidthBody extends StatelessWidget {
     this.maxWidth = 600,
     this.withFrame = true,
     this.withScrolling = true,
-    Key? key,
-  }) : super(key: key);
+    super.key,
+  });
   @override
   Widget build(BuildContext context) {
     return SafeArea(

lib/widgets/layouts/two_column_layout.dart

@@ -6,11 +6,11 @@ class TwoColumnLayout extends StatelessWidget {
   final bool displayNavigationRail;
 
   const TwoColumnLayout({
-    Key? key,
+    super.key,
     required this.mainView,
     required this.sideView,
     required this.displayNavigationRail,
-  }) : super(key: key);
+  });
   @override
   Widget build(BuildContext context) {
     return ScaffoldMessenger(