chore(ui,core,llc,persistance,localization): remove analysis warnings due to flutter 2.5

packages/stream_chat/lib/src/client/client.dart

@@ -143,9 +143,6 @@ class StreamChatClient {
 
   late final RetryPolicy _retryPolicy;
 
-  /// sync state of the channels present inside state, defaults to false
-  bool _synced = false;
-
   /// the last dateTime at the which all the channels were synced
   DateTime? _lastSyncedAt;
 
@@ -434,8 +431,6 @@ class StreamChatClient {
         type: EventType.connectionRecovered,
         online: true,
       ));
-    } else {
-      _synced = false;
     }
   }
 
@@ -460,13 +455,11 @@ class StreamChatClient {
   Future<void> sync({List<String>? cids, DateTime? lastSyncAt}) async {
     cids ??= await _chatPersistenceClient?.getChannelCids();
     if (cids == null || cids.isEmpty) {
-      _synced = true;
       return;
     }
 
     lastSyncAt ??= await _chatPersistenceClient?.getLastSyncAt();
     if (lastSyncAt == null) {
-      _synced = true;
       return;
     }
 
@@ -484,12 +477,10 @@ class StreamChatClient {
         handleEvent(event);
       }
 
-      _synced = true;
       final now = DateTime.now();
       _lastSyncedAt = now;
       _chatPersistenceClient?.updateLastSyncAt(now);
     } catch (e, stk) {
-      _synced = false;
       logger.severe('Error during sync', e, stk);
     }
   }

packages/stream_chat/lib/src/client/retry_queue.dart

@@ -6,8 +6,8 @@ import 'package:rxdart/rxdart.dart';
 import 'package:stream_chat/src/client/channel.dart';
 import 'package:stream_chat/src/client/retry_policy.dart';
 import 'package:stream_chat/src/core/error/error.dart';
-import 'package:stream_chat/src/event_type.dart';
 import 'package:stream_chat/src/core/models/message.dart';
+import 'package:stream_chat/src/event_type.dart';
 import 'package:stream_chat/stream_chat.dart';
 
 /// The retry queue associated to a channel

packages/stream_chat/lib/src/core/models/channel_model.dart

@@ -1,7 +1,7 @@
 import 'package:json_annotation/json_annotation.dart';
 import 'package:stream_chat/src/core/models/channel_config.dart';
-import 'package:stream_chat/src/core/util/serializer.dart';
 import 'package:stream_chat/src/core/models/user.dart';
+import 'package:stream_chat/src/core/util/serializer.dart';
 
 part 'channel_model.g.dart';
 

packages/stream_chat/lib/src/core/models/reaction.dart

@@ -1,6 +1,6 @@
 import 'package:json_annotation/json_annotation.dart';
-import 'package:stream_chat/src/core/util/serializer.dart';
 import 'package:stream_chat/src/core/models/user.dart';
+import 'package:stream_chat/src/core/util/serializer.dart';
 
 part 'reaction.g.dart';
 

packages/stream_chat/lib/src/ws/websocket.dart

@@ -6,15 +6,15 @@ import 'package:logging/logging.dart';
 import 'package:meta/meta.dart';
 import 'package:rxdart/rxdart.dart';
 import 'package:stream_chat/src/core/error/error.dart';
-import 'package:stream_chat/src/ws/connection_status.dart';
 import 'package:stream_chat/src/core/http/token.dart';
 import 'package:stream_chat/src/core/http/token_manager.dart';
 import 'package:stream_chat/src/core/models/event.dart';
 import 'package:stream_chat/src/core/models/user.dart';
 import 'package:stream_chat/src/event_type.dart';
+import 'package:stream_chat/src/ws/connection_status.dart';
 import 'package:stream_chat/src/ws/timer_helper.dart';
-import 'package:web_socket_channel/web_socket_channel.dart';
 import 'package:web_socket_channel/status.dart' as status;
+import 'package:web_socket_channel/web_socket_channel.dart';
 
 /// Typedef which exposes an [Event] as the only parameter.
 typedef EventHandler = void Function(Event);