Admin attachment view was missing the column header "S3FileId"

client/components/settings/attachments.jade

@@ -58,6 +58,7 @@ template(name="moveBoardAttachments")
         th {{_ 'version-name'}}
         th {{_ 'size'}}
         th GridFsFileId
+        th S3FileId
         th {{_ 'storage'}}
         th {{_ 'action'}}