Fix incorrect check for media source (#75880)
Fix incorrect check for media source (#75880)

* Fix incorrect check for media source

* Update homeassistant/components/jellyfin/media_source.py

Co-authored-by: Franck Nijhof <13eb18b733a08718cb4c9e1db0ca6f4a03c9262b@frenck.nl>

Co-authored-by: Paulus Schoutsen <19a0ba370c443ba08d20b5061586430ab449ee8c@home-assistant.io>
Co-authored-by: Franck Nijhof <13eb18b733a08718cb4c9e1db0ca6f4a03c9262b@frenck.nl>
mezz64/home-assistant,nkgilley/home-assistant,mezz64/home-assistant,nkgilley/home-assistant,w1ll1am23/home-assistant,w1ll1am23/home-assistant