Fix previews in DMs

TODO: maybe we need to just add this to NoteContentView?

I don't want to do this just yet though because I'm about to cut a
release and I don't want to introduce new bugs.

damus/Views/DMView.swift

@@ -42,6 +42,7 @@ struct DMView: View {
             let should_show_img = should_show_images(settings: damus_state.settings, contacts: damus_state.contacts, ev: event, our_pubkey: damus_state.pubkey)
 
             NoteContentView(damus_state: damus_state, event: event, show_images: should_show_img, size: .normal, options: dm_options)
+                .fixedSize(horizontal: false, vertical: true)
                 .padding([.top, .leading, .trailing], 10)
                 .padding([.bottom], 25)
                 .background(VisualEffectView(effect: UIBlurEffect(style: .prominent))