chore(ui): fix analysis issues

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/lib/src/attachment/file_attachment.dart

@@ -100,7 +100,8 @@ class StreamFileAttachment extends StreamAttachmentWidget {
         borderRadius: BorderRadius.circular(8),
       );
 
-  // TODO: Improve image memory. This is using the full image instead of a smaller version (thumbnail)
+  // TODO: Improve image memory. This is using the full image instead of a
+  //  smaller version (thumbnail)
   Widget _getFileTypeImage(BuildContext context) {
     if (isImageAttachment) {
       return Material(