Minor UI fixes on recovery key pages

lib/ui/pages/recovery_key/recovery_key.dart

@@ -27,17 +27,14 @@ class _RecoveryKeyState extends State<RecoveryKey> {
     final keyStatus = context.watch<RecoveryKeyCubit>().state;
 
     final List<Widget> widgets;
-    final String? subtitle =
+    String? subtitle =
         keyStatus.exists ? null : 'recovery_key.key_main_description'.tr();
+
     switch (keyStatus.loadingStatus) {
       case LoadingStatus.refreshing:
+        subtitle = 'recovery_key.key_synchronizing'.tr();
         widgets = [
           const Center(child: CircularProgressIndicator()),
-          const SizedBox(height: 16),
-          BrandText(
-            'recovery_key.key_synchronizing'.tr(),
-            type: TextType.h1,
-          ),
         ];
         break;
       case LoadingStatus.success:
@@ -47,13 +44,9 @@ class _RecoveryKeyState extends State<RecoveryKey> {
         break;
       case LoadingStatus.uninitialized:
       case LoadingStatus.error:
+        subtitle = 'recovery_key.key_connection_error'.tr();
         widgets = [
           const Icon(Icons.sentiment_dissatisfied_outlined),
-          const SizedBox(height: 16),
-          BrandText(
-            'recovery_key.key_connection_error'.tr(),
-            type: TextType.h1,
-          ),
         ];
         break;
     }

lib/ui/pages/recovery_key/recovery_key_receiving.dart

@@ -2,8 +2,6 @@ import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:selfprivacy/ui/components/brand_button/filled_button.dart';
 import 'package:selfprivacy/ui/components/brand_hero_screen/brand_hero_screen.dart';
-import 'package:selfprivacy/ui/pages/root_route.dart';
-import 'package:selfprivacy/utils/route_transitions/basic.dart';
 
 class RecoveryKeyReceiving extends StatelessWidget {
   const RecoveryKeyReceiving({required this.recoveryKey, Key? key})
@@ -44,8 +42,7 @@ class RecoveryKeyReceiving extends StatelessWidget {
         FilledButton(
           title: 'recovery_key.key_receiving_done'.tr(),
           onPressed: () {
-            Navigator.of(context)
-                .pushReplacement(materialRoute(const RootPage()));
+            Navigator.of(context).popUntil((route) => route.isFirst);
           },
         ),
       ],