fix(ui): fix merge conflicts

Author: esarbanis

packages/stream_chat_flutter/lib/src/fullscreen_media/full_screen_media.dart

@@ -4,8 +4,8 @@ import 'dart:io';
 import 'package:chewie/chewie.dart';
 import 'package:flutter/material.dart';
 import 'package:photo_view/photo_view.dart';
-import 'package:shimmer/shimmer.dart';
-import 'package:stream_chat_flutter/platform_widget_builder/platform_widget_builder.dart';
+import 'package:stream_chat_flutter/src/attachment/thumbnail/media_attachment_thumbnail.dart';
+import 'package:stream_chat_flutter/src/fullscreen_media/gallery_navigation_item.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 import 'package:video_player/video_player.dart';
 

packages/stream_chat_flutter/lib/src/message_widget/parse_attachments.dart

@@ -84,7 +84,7 @@ class ParseAttachments extends StatelessWidget {
             builder: (context) {
               return StreamChannel(
                 channel: channel,
-                child: StreamFullScreenMediaBuilder(
+                child: StreamFullScreenMedia(
                   userName: message.user!.name,
                   mediaAttachmentPackages: attachments,
                   startIndex: attachments.indexWhere(