wip: testing positioned list

packages/stream_chat_flutter/lib/src/message_widget.dart

@@ -74,6 +74,7 @@ class MessageWidget extends StatefulWidget {
     this.showInChannelIndicator = false,
     this.onReplyTap,
     this.onThreadTap,
+    this.actualIndex,
     this.showUsername = true,
     this.showTimestamp = true,
     this.showReactions = true,
@@ -257,6 +258,8 @@ class MessageWidget extends StatefulWidget {
         }..addAll(customAttachmentBuilders ?? {}),
         super(key: key);
 
+  final int? actualIndex;
+
   /// Function called on mention tap
   final void Function(User)? onMentionTap;
 
@@ -590,6 +593,10 @@ class _MessageWidgetState extends State<MessageWidget>
   @override
   Widget build(BuildContext context) {
     super.build(context);
+    return Container(
+      decoration: BoxDecoration(border: Border.all()),
+      child: Text('${widget.message.text ?? 'valu'} ${widget.actualIndex}'),
+    );
     final avatarWidth =
         widget.messageTheme.avatarTheme?.constraints.maxWidth ?? 40;
     final bottomRowPadding =
@@ -658,6 +665,7 @@ class _MessageWidgetState extends State<MessageWidget>
                                   SizedBox(width: avatarWidth + 4),
                                 Flexible(
                                   child: PortalEntry(
+                                    visible: false,
                                     portal: Container(
                                       transform: Matrix4.translationValues(
                                           widget.reverse ? 12 : -12, 0, 0),