[dev] Show attachment icon on messages without attachments

[Gonçalo Queirós]

Hi there list.
Since Horde now can render HTML inline, i saw a strange behavior on IMP.
If the html is being rendered inline, when the user opens an email, he
will not see the html parts on the attachment "zone". So if the email
only contains html parts, there will be no attachment to download. The
strange behavior is when you view the message on the Inbox list (e.g.)
it will have the attachment icon.
Shouldn't messages that contain only parts that can be rendered inline
not have the attachment icon?
Best regards,
Gonçalo Queirós