add remaining translation strings

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/lib/src/channel_name.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
+import 'package:stream_chat_flutter/src/extension.dart';
 
 /// It shows the current [Channel] name using a [Text] widget.
 ///
@@ -44,8 +45,10 @@ class ChannelName extends StatelessWidget {
   ) =>
       LayoutBuilder(
         builder: (context, constraints) {
-          var title = 'No title';
-          if (extraData['name'] == null) {
+          var title = context.translations.noTitleText;
+          if (extraData['name'] != null) {
+            title = extraData['name'];
+          } else {
             final otherMembers =
                 members?.where((member) => member.userId != client.user!.id);
             if (otherMembers?.length == 1) {
@@ -71,8 +74,6 @@ class ChannelName extends StatelessWidget {
               title = '${currentMembers.map((e) => e.user?.name).join(', ')} '
                   '${exceedingMembers > 0 ? '+ $exceedingMembers' : ''}';
             }
-          } else {
-            title = extraData['name'];
           }
 
           return Text(