[Firefox] Always logged out/403 CSRF

[glottisfaun0000]

1.36.0 Docker accessed via nginxproxymanager reverse proxy

Lately I've noticed almost every time I come back to my pinned linkding tab in Firefox, I end up logged out (usually in the form of interacitng with a bookmark and getting a CSRF 403 page). It's a minor annoyance but I could see someone losing a careful batch edit this way. Is there a configuration for timeout similar to Navidrome's ND_SESSIONTIMEOUT switch? I've also turned off enhanced tracking protection for the domain in Firefox.