Merge pull request #247 from lohanidamodar/feat-fix-flutter

fix flutter deploy fail

Author: TorstenDittmann

templates/flutter/lib/src/realtime_message.dart.twig

@@ -1,5 +1,4 @@
 import 'dart:convert';
-import 'package:collection/collection.dart';
 import 'package:flutter/foundation.dart';
 
 class RealtimeMessage {
@@ -59,13 +58,12 @@ class RealtimeMessage {
   @override
   bool operator ==(Object other) {
     if (identical(this, other)) return true;
-    final collectionEquals = const DeepCollectionEquality().equals;
-  
+
     return other is RealtimeMessage &&
-      other.event == event &&
-      collectionEquals(other.payload, payload) &&
-      collectionEquals(other.channels, channels) &&
-      other.timestamp == timestamp;
+        other.event == event &&
+        mapEquals(other.payload, payload) &&
+        listEquals(other.channels, channels) &&
+        other.timestamp == timestamp;
   }
 
   @override