- Source /etc/environment in cronupdate to load addon env vars (FIREFLY_III_URL, etc.)
- Persist cron-needed vars (JSON_CONFIGURATION_DIR, IMPORT_DIR_WHITELIST, etc.) to /etc/environment
- Fix inverted nginx map values that caused health check logs to spam while suppressing real requests
Co-authored-by: alexbelgium <44178713+alexbelgium@users.noreply.github.com>