🐛 Bug fixes and optimization

lib/widgets/attachments/attachment_list.dart

@@ -94,7 +94,6 @@ class _AttachmentListState extends State<AttachmentList> {
   @override
   void initState() {
     super.initState();
-
     getMetadataList();
   }
 

lib/widgets/chat/chat_message.dart

@@ -100,7 +100,17 @@ class ChatMessage extends StatelessWidget {
     if (isContentPreviewing) {
       widget = buildContent();
     } else if (isMerged) {
-      widget = buildContent().paddingOnly(left: 52);
+      widget = Column(
+        children: [
+          buildContent().paddingOnly(left: 52),
+          if (item.attachments?.isNotEmpty ?? false)
+            AttachmentList(
+              key: Key('m${item.uuid}attachments'),
+              parentId: item.uuid,
+              attachmentsId: item.attachments ?? List.empty(),
+            ).paddingSymmetric(vertical: 4),
+        ],
+      );
     } else if (isReply) {
       widget = Row(
         mainAxisAlignment: MainAxisAlignment.center,
@@ -149,6 +159,7 @@ class ChatMessage extends StatelessWidget {
           ).paddingSymmetric(horizontal: 12),
           if (item.attachments?.isNotEmpty ?? false)
             AttachmentList(
+              key: Key('m${item.uuid}attachments'),
               parentId: item.uuid,
               attachmentsId: item.attachments ?? List.empty(),
             ).paddingSymmetric(vertical: 4),

lib/widgets/chat/chat_message_input.dart

@@ -75,7 +75,7 @@ class _ChatMessageInputState extends State<ChatMessageInput> {
       'uuid': const Uuid().v4(),
       'type': 'm.text',
       'content': encodeMessage(_textController.value.text),
-      'attachments': _attachments,
+      'attachments': List.from(_attachments),
       'reply_to': _replyTo?.id,
     };
 
@@ -96,6 +96,7 @@ class _ChatMessageInputState extends State<ChatMessageInput> {
       updatedAt: DateTime.now(),
       content: payload['content'] as Map<String, dynamic>,
       type: payload['type'] as String,
+      attachments: _attachments,
       sender: sender,
       replyId: _replyTo?.id,
       replyTo: _replyTo,