fix: Align center safe button in bottomappbar

integration_test/scenarios/gecko_complete.dart

@@ -100,7 +100,7 @@ Future certifyTest5() async {
   await waitFor('thisWalletIsDefault'.tr());
 
   // Search Wallet 5 again
-  await tapKey(keyAppBarSearch);
+  await tapKey(keyAppBarHome);
   final addressToSearch = await clipPaste();
   final endAddress = addressToSearch.substring(addressToSearch.length - 6);
   expect(addressToSearch, test5.address);

lib/models/widgets_keys.dart

@@ -5,7 +5,7 @@ const keyInfoPopup = Key('keyInfoPopup');
 const keyGoNext = Key('keyGoNext');
 const keyCancel = Key('keyCancel');
 const keyConfirm = Key('keyConfirm');
-const keyAppBarSearch = Key('keyAppBarSearch');
+const keyAppBarHome = Key('keyAppBarSearch');
 const keyAppBarQrcode = Key('keyAppBarQrcode');
 const keyAppBarChest = Key('keyAppBarChest');
 

lib/screens/wallet_view.dart

-//FIXME: flutter upgrades should fix this... one day.
-// ignore_for_file: use_build_context_synchronously, prefer_const_constructors
+// ignore_for_file: use_build_context_synchronously
 
 import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/services.dart';
@@ -25,6 +24,9 @@ import 'package:gecko/widgets/payment_popup.dart';
 import 'package:provider/provider.dart';
 import 'package:qr_flutter/qr_flutter.dart';
 
+const double buttonSize = 100;
+const double buttonFontSize = 18;
+
 class WalletViewScreen extends StatelessWidget {
   const WalletViewScreen(
       {required this.address, required this.username, this.avatar, Key? key})
@@ -32,8 +34,6 @@ class WalletViewScreen extends StatelessWidget {
   final String address;
   final String? username;
   final Image? avatar;
-  final double buttonSize = 100;
-  final double buttonFontSize = 18;
 
   @override
   Widget build(BuildContext context) {
@@ -149,7 +149,7 @@ class WalletViewScreen extends StatelessWidget {
                 Text(
                   "displayNActivity".tr(),
                   textAlign: TextAlign.center,
-                  style: TextStyle(
+                  style: const TextStyle(
                       fontSize: buttonFontSize, fontWeight: FontWeight.w500),
                 ),
               ]),
@@ -277,7 +277,7 @@ class WalletViewScreen extends StatelessWidget {
                                   ? "certify".tr()
                                   : "createIdentity".tr(),
                               textAlign: TextAlign.center,
-                              style: TextStyle(
+                              style: const TextStyle(
                                   fontSize: buttonFontSize,
                                   fontWeight: FontWeight.w500),
                             ),
@@ -319,7 +319,7 @@ class WalletViewScreen extends StatelessWidget {
                 Text(
                   "copyAddress".tr(),
                   textAlign: TextAlign.center,
-                  style: TextStyle(
+                  style: const TextStyle(
                       fontSize: buttonFontSize, fontWeight: FontWeight.w500),
                 ),
               ]),

lib/widgets/bottom_app_bar.dart

@@ -37,7 +37,7 @@ class GeckoBottomAppBar extends StatelessWidget {
           const Spacer(),
           const SizedBox(width: 11),
           IconButton(
-            key: keyAppBarSearch,
+            key: keyAppBarHome,
             iconSize: 55,
             icon: const Icon(Icons.home_outlined),
             onPressed: () {
@@ -52,7 +52,6 @@ class GeckoBottomAppBar extends StatelessWidget {
           const Spacer(),
           IconButton(
             key: keyAppBarQrcode,
-            iconSize: 70,
             icon: const Image(image: AssetImage('assets/qrcode-scan.png')),
             onPressed: () async {
               historyProvider.scan(homeContext);
@@ -61,6 +60,7 @@ class GeckoBottomAppBar extends StatelessWidget {
           const Spacer(),
           const SizedBox(width: 15),
           Stack(
+            alignment: AlignmentDirectional.center,
             children: [
               if (lockAction)
                 Center(
@@ -86,7 +86,6 @@ class GeckoBottomAppBar extends StatelessWidget {
                 ),
               IconButton(
                 key: keyAppBarChest,
-                iconSize: 60,
                 icon: const Image(image: AssetImage('assets/wallet.png')),
                 onPressed: lockAction
                     ? null