Undo the maintainer's change: we won't force the download of PDFs.

.recipes/staticweb_filebrowser/.templates/nginx/nginx_filebrowser.inc

@@ -21,6 +21,11 @@
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
 
+        # This hack reverts a modification in Filebrowser (2.33.1):
+        # https://github.com/filebrowser/filebrowser/commit/8a14018861fe581672bbd27cdc3ae5691f70a108
+        # We don't force to download PDFs.
+        more_clear_headers -t 'application/pdf' 'Content-Disposition';
+
         #websockets
         proxy_http_version  1.1;
         proxy_set_header    Upgrade     $http_upgrade;