[auth] Auth minor improvements & bug fixes (#3475)

## Description

## Tests

auth/lib/onboarding/view/onboarding_page.dart

@@ -8,7 +8,6 @@ import 'package:ente_auth/ente_theme_data.dart';
 import 'package:ente_auth/events/trigger_logout_event.dart';
 import "package:ente_auth/l10n/l10n.dart";
 import 'package:ente_auth/locale.dart';
-import 'package:ente_auth/services/preference_service.dart';
 import 'package:ente_auth/theme/text_style.dart';
 import 'package:ente_auth/ui/account/email_entry_page.dart';
 import 'package:ente_auth/ui/account/login_page.dart';
@@ -50,7 +49,6 @@ class _OnboardingPageState extends State<OnboardingPage> {
       await autoLogoutAlert(context);
     });
     super.initState();
-    PreferenceService.instance.configureDefaults().ignore();
   }
 
   @override

auth/lib/services/preference_service.dart

@@ -57,12 +57,6 @@ class PreferenceService {
     await _prefs.setBool(kCompactMode, value);
   }
 
-  Future<void> configureDefaults() async {
-    if (!_prefs.containsKey(kCompactMode)) {
-      await _prefs.setBool(kCompactMode, true);
-    }
-  }
-
   Future<void> setHideCodes(bool value) async {
     await _prefs.setBool(kShouldHideCodesKey, value);
     Bus.instance.fire(IconsChangedEvent());

auth/lib/ui/settings/security_section_widget.dart

@@ -102,16 +102,7 @@ class _SecuritySectionWidgetState extends State<SecuritySectionWidget> {
           trailingIcon: Icons.chevron_right_outlined,
           trailingIconIsMuted: true,
           onTap: () async {
-            final bool hasAuthenticated = await LocalAuthenticationService
-                .instance
-                .requestLocalAuthentication(
-              context,
-              context.l10n.authToViewPasskey,
-            );
-            await PlatformUtil.refocusWindows();
-            if (hasAuthenticated) {
-              await onPasskeyClick(context);
-            }
+            await onPasskeyClick(context);
           },
         ),
         sectionOptionSpacing,

auth/lib/ui/settings_page.dart

@@ -142,7 +142,10 @@ class SettingsPage extends StatelessWidget {
       sectionSpacing,
     ]);
 
-    if (Platform.isAndroid || kDebugMode) {
+    if (Platform.isAndroid ||
+        Platform.isWindows ||
+        Platform.isLinux ||
+        kDebugMode) {
       contents.addAll([
         const ThemeSwitchWidget(),
         sectionSpacing,