fix deleted message borderradius

lib/src/deleted_message.dart

@@ -1,6 +1,7 @@
+import 'dart:math';
+
 import 'package:flutter/material.dart';
 import 'package:stream_chat_flutter/src/stream_chat_theme.dart';
-import 'package:stream_chat_flutter/src/stream_svg_icon.dart';
 
 class DeletedMessage extends StatelessWidget {
   const DeletedMessage({
@@ -9,6 +10,7 @@ class DeletedMessage extends StatelessWidget {
     this.borderRadiusGeometry,
     this.shape,
     this.borderSide,
+    this.reverse = false,
   }) : super(key: key);
 
   /// The theme of the message
@@ -23,9 +25,15 @@ class DeletedMessage extends StatelessWidget {
   /// The borderside of the message text
   final BorderSide borderSide;
 
+  /// If true the widget will be mirrored
+  final bool reverse;
+
   @override
   Widget build(BuildContext context) {
-    return Material(
+    return Transform(
+      transform: Matrix4.rotationY(reverse ? pi : 0),
+      alignment: Alignment.center,
+      child: Material(
         color: messageTheme.messageBackgroundColor,
         shape: shape ??
             RoundedRectangleBorder(
@@ -42,6 +50,9 @@ class DeletedMessage extends StatelessWidget {
             vertical: 8.0,
             horizontal: 16,
           ),
+          child: Transform(
+            transform: Matrix4.rotationY(reverse ? pi : 0),
+            alignment: Alignment.center,
             child: Text(
               'Message deleted',
               style: messageTheme.messageText.copyWith(
@@ -53,6 +64,8 @@ class DeletedMessage extends StatelessWidget {
               ),
             ),
           ),
+        ),
+      ),
     );
   }
 }

lib/src/message_widget.dart

@@ -286,6 +286,7 @@ class _MessageWidgetState extends State<MessageWidget> {
                                           transform: Matrix4.rotationY(
                                               widget.reverse ? pi : 0),
                                           child: DeletedMessage(
+                                            reverse: widget.reverse,
                                             borderRadiusGeometry:
                                                 widget.borderRadiusGeometry,
                                             borderSide: widget.borderSide,