Fix popup photostation (hors ecran-accueil) + z-index boutons + profil Chromium sans translate

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

scripts/kiosk-session.sh

@@ -36,7 +36,7 @@ while true; do
         --check-for-update-interval=31536000 \
         --autoplay-policy=no-user-gesture-required \
         --start-fullscreen \
-        --incognito \
+        --user-data-dir=/home/jules/.config/chromium-kiosk \
         --touch-events=enabled \
         --enable-touch-drag-drop \
         --force-device-scale-factor=3 \