update emoji dependency using local copy

packages/stream_chat_flutter/analysis_options.yaml

@@ -6,6 +6,7 @@ analyzer:
   exclude:
     - lib/**/*.g.dart
     - example/**
+    - lib/src/emoji
 
 linter:
   rules:

packages/stream_chat_flutter/lib/src/extension.dart

@@ -1,7 +1,7 @@
 import 'package:characters/characters.dart';
-import 'package:emojis/emoji.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
+import 'package:stream_chat_flutter/src/emoji/emoji.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
 final _emojis = Emoji.all();

packages/stream_chat_flutter/lib/src/message_input.dart

@@ -2,7 +2,6 @@ import 'dart:async';
 import 'dart:math';
 
 import 'package:cached_network_image/cached_network_image.dart';
-import 'package:emojis/emoji.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
@@ -12,6 +11,7 @@ import 'package:flutter_svg/flutter_svg.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:photo_manager/photo_manager.dart';
 import 'package:shimmer/shimmer.dart';
+import 'package:stream_chat_flutter/src/emoji/emoji.dart';
 import 'package:stream_chat_flutter/src/media_list_view.dart';
 import 'package:stream_chat_flutter/src/message_list_view.dart';
 import 'package:stream_chat_flutter/src/stream_chat_theme.dart';

packages/stream_chat_flutter/pubspec.yaml

@@ -24,8 +24,6 @@ dependencies:
   shimmer: ^2.0.0-nullsafety.0
   flutter_markdown: ^0.6.1
   url_launcher: ^6.0.3
-  emojis:
-    git: [email protected]:Parkar99/emojis.git
   video_player: ^2.1.1
   chewie: ^1.0.0
   file_picker: ^3.0.1