chore(windows, linux): Saving shared preferences in a different file …

…in debug mode.

lib/utils/shared_preferences_with_prefix.dart

@@ -1,8 +1,15 @@
 import 'package:firebase_crashlytics/firebase_crashlytics.dart';
 import 'package:flutter/foundation.dart';
+import 'package:open_authenticator/utils/platform.dart';
 import 'package:open_authenticator/utils/utils.dart';
 import 'package:rate_my_app/rate_my_app.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+// ignore: depend_on_referenced_packages
+import 'package:shared_preferences_linux/shared_preferences_linux.dart';
+// ignore: depend_on_referenced_packages
+import 'package:shared_preferences_platform_interface/types.dart';
+// ignore: depend_on_referenced_packages
+import 'package:shared_preferences_windows/shared_preferences_windows.dart';
 
 /// Allows to use [SharedPreferencesWithCache] with a prefix.
 class SharedPreferencesWithPrefix {
@@ -27,8 +34,17 @@ class SharedPreferencesWithPrefix {
   }
 
   /// Creates a new shared preferences with prefix instance.
-  static Future<SharedPreferencesWithPrefix> _createSharedPreferencesWithPrefix(String prefix) async => SharedPreferencesWithPrefix._(
+  static Future<SharedPreferencesWithPrefix> _createSharedPreferencesWithPrefix(
+    String prefix, {
+    String fileName = kDebugMode ? 'shared_preferences_debug' : 'shared_preferences',
+  }) async =>
+      SharedPreferencesWithPrefix._(
         sharedPreferences: await SharedPreferencesWithCache.create(
+          sharedPreferencesOptions: switch (currentPlatform) {
+            Platform.windows => SharedPreferencesWindowsOptions(fileName: fileName),
+            Platform.linux => SharedPreferencesLinuxOptions(fileName: fileName),
+            _ => SharedPreferencesOptions(),
+          },
           cacheOptions: SharedPreferencesWithCacheOptions(),
         ),
         prefix: prefix,