Issue Summary

The "preview unavailable" message appears in the comment when a linked attachment is deleted, which can be confusing for users. The messaging should be improved for clarity.

Steps to Reproduce

1. Open any card and add an attachment.
2. Once the attachment is added successfully, add it as a comment.
3. Now, delete the attachment from the card.
4. Try accessing the attachment from the comment—a "preview unavailable" message is shown.

Expected Results

The attachment should either be removed from the comment or display a clear indication that it has been deleted

Actual Results

A "preview unavailable" message appears in the comment.

Workaround

NA