chore: Remove deprecated share button

lib/pages/chat/events/message_download_content.dart

@@ -1,10 +1,8 @@
 import 'package:flutter/material.dart';
 
-import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/utils/matrix_sdk_extensions.dart/event_extension.dart';
-import 'package:fluffychat/utils/platform_infos.dart';
 
 class MessageDownloadContent extends StatelessWidget {
   final Event event;
@@ -30,12 +28,16 @@ class MessageDownloadContent extends StatelessWidget {
         crossAxisAlignment: CrossAxisAlignment.start,
         mainAxisSize: MainAxisSize.min,
         children: <Widget>[
-          ListTile(
-            leading: Icon(
+          Padding(
+            padding: const EdgeInsets.all(16.0),
+            child: Row(
+              children: [
+                Icon(
                   Icons.file_download_outlined,
                   color: textColor,
                 ),
-            title: Text(
+                const SizedBox(width: 16),
+                Text(
                   filename,
                   maxLines: 1,
                   style: TextStyle(
@@ -43,6 +45,8 @@ class MessageDownloadContent extends StatelessWidget {
                     fontWeight: FontWeight.bold,
                   ),
                 ),
+              ],
+            ),
           ),
           const Divider(height: 1),
           Padding(