fix: attachment borders

packages/stream_chat_flutter/lib/src/extension.dart

@@ -104,3 +104,15 @@ extension BuildContextX on BuildContext {
   double get textScaleFactor =>
       MediaQuery.maybeOf(this)?.textScaleFactor ?? 1.0;
 }
+
+/// Extension on [BorderRadius]
+extension FlipBorder on BorderRadius {
+  /// Flips borders (Y)
+  BorderRadius mirrorBorderIfReversed({bool reverse = true}) => reverse
+      ? BorderRadius.only(
+          topLeft: topRight,
+          topRight: topLeft,
+          bottomLeft: bottomRight,
+          bottomRight: bottomLeft)
+      : this;
+}

packages/stream_chat_flutter/lib/src/message_actions_modal.dart

@@ -189,8 +189,10 @@ class _MessageActionsModalState extends State<MessageActionsModal> {
                             child: MessageWidget(
                               key: const Key('MessageWidget'),
                               reverse: widget.reverse,
-                              attachmentBorderRadiusGeometry:
+                              attachmentBorderRadiusGeometry: widget
-                                  widget.attachmentBorderRadiusGeometry,
+                                  .attachmentBorderRadiusGeometry
+                                  ?.mirrorBorderIfReversed(
+                                      reverse: widget.reverse),
                               message: widget.message.copyWith(
                                 text: widget.message.text!.length > 200
                                     // ignore: lines_longer_than_80_chars

packages/stream_chat_flutter/lib/src/message_reactions_modal.dart

@@ -144,7 +144,9 @@ class MessageReactionsModal extends StatelessWidget {
                               attachmentShape: attachmentShape,
                               padding: const EdgeInsets.all(0),
                               attachmentBorderRadiusGeometry:
-                                  attachmentBorderRadiusGeometry,
+                                  attachmentBorderRadiusGeometry
+                                      ?.mirrorBorderIfReversed(
+                                          reverse: reverse),
                               attachmentPadding: EdgeInsets.all(
                                 hasFileAttachment ? 4 : 2,
                               ),

packages/stream_chat_flutter/lib/src/message_widget.dart

@@ -16,6 +16,7 @@ import 'package:stream_chat_flutter/src/quoted_message_widget.dart';
 import 'package:stream_chat_flutter/src/reaction_bubble.dart';
 import 'package:stream_chat_flutter/src/url_attachment.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
+import 'extension.dart';
 
 /// Widget builder for building attachments
 typedef AttachmentBuilder = Widget Function(

packages/stream_chat_flutter/lib/src/utils.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
 import 'package:url_launcher/url_launcher.dart';
+import 'package:stream_chat_flutter/src/extension.dart';
 
 /// Launch URL
 Future<void> launchURL(BuildContext context, String? url) async {
@@ -333,7 +334,7 @@ Widget wrapAttachmentWidget(
   BorderRadius borderRadius,
 ) =>
     ClipRRect(
-      borderRadius: borderRadius,
+      borderRadius: borderRadius.mirrorBorderIfReversed(reverse: reverse),
       child: Material(
         clipBehavior: Clip.antiAlias,
         shape: attachmentShape,