Msg Retry fixes, channel message fixes. Notification fixes. Make more desktop friendly. Enhance retry algo. Fix predicted location clustering add retries to reactions and fix the reactions in private DMS centralize and cleanup code in var areas

lib/models/message.dart

@@ -23,6 +23,7 @@ class Message {
   final int? pathLength;
   final Uint8List pathBytes;
   final Map<String, int> reactions;
+  final Map<String, MessageStatus> reactionStatuses;
   final Uint8List fourByteRoomContactKey;
 
   Message({
@@ -43,9 +44,11 @@ class Message {
     Uint8List? pathBytes,
     Uint8List? fourByteRoomContactKey,
     Map<String, int>? reactions,
+    Map<String, MessageStatus>? reactionStatuses,
   }) : pathBytes = pathBytes ?? Uint8List(0),
        fourByteRoomContactKey = fourByteRoomContactKey ?? Uint8List(0),
-       reactions = reactions ?? {};
+       reactions = reactions ?? {},
+       reactionStatuses = reactionStatuses ?? {};
 
   String get senderKeyHex => pubKeyToHex(senderKey);
 
@@ -61,6 +64,7 @@ class Message {
     Uint8List? pathBytes,
     bool? isCli,
     Map<String, int>? reactions,
+    Map<String, MessageStatus>? reactionStatuses,
     Uint8List? fourByteRoomContactKey,
   }) {
     return Message(
@@ -80,6 +84,7 @@ class Message {
       pathLength: pathLength ?? this.pathLength,
       pathBytes: pathBytes ?? this.pathBytes,
       reactions: reactions ?? this.reactions,
+      reactionStatuses: reactionStatuses ?? this.reactionStatuses,
       fourByteRoomContactKey:
           fourByteRoomContactKey ?? this.fourByteRoomContactKey,
     );