Skip media for junk messages

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -3804,7 +3804,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
             int iavailable = 0;
             List<EntityAttachment> media = new ArrayList<>();
-            if (thumbnails && bind_extras) {
+            if (thumbnails && !EntityFolder.JUNK.equals(message.folderType) && bind_extras) {
                 for (EntityAttachment attachment : attachments)
                     if ((pdf_preview && attachment.isPDF()) ||
                             (video_preview && attachment.isVideo()) ||