[Users] Message view shows wrong image

[Kasper Peeters]

> > So apparently someone is making a mistake. Fancy? Me?  
> 
> I experienced that with binary newsgroups too with Claws 4.0.0, see the
> German discussion here:
> https://de.comm.software.newsreader.narkive.com/2nKptKCe/claws-mail-zeigte-falsche-nachricht-in-de-alt-dateien-misc-an

I am seeing this with .ics calendar attachments: claws often (haven't
pinned it down yet) shows the same calendar file when switching between
messages which have a different .ics file attached. 

Kasper