Draft: upstream changes by FSI Inf

main changes:

• pfandcha (captcha with pfand-location images)

case/Xsession

@@ -4,4 +4,4 @@ xset +dpms
 xset dpms 30 30 30
 rm -rf ~/.config/chromium/Singleton*
 sed -i 's/"exited_cleanly": false/"exited_cleanly": true/' ~/.config/chromium/Default/Preferences
-chromium-browser --noerrdialogs --kiosk https://www4.cs.fau.de --no-first-run --fast --fast-start --disable --disable-infobars --disable-suggestions-service --disable-save-password-bubble --disable-translate --disable-features=TranslateUI --disk-cache-dir=/dev/null --window-size=1280,800 --window-position=0,0
+chromium-browser --noerrdialogs --kiosk https://www4.cs.fau.de --no-first-run --fast --fast-start --disable --disable-infobars --disable-suggestions-service --disable-save-password-bubble --disable-translate --disable-features=TranslateUI --disk-cache-dir=/dev/null --window-size=1280,800 --window-position=0,0 --disable-pinch --overscroll-history-navigation=0