Hotfix 1.19.3

NEW: Open system upgrade page task to prevent confusion when unlocking an upgrade in the tutorial while the wrong page is opened

UPDATE: Localizations (nl: all; it: research, ui; zh-Hans: research, tutorials)

FIX: Timetable endscreen did not show upon completing timetable map
FIX: Average speed displayed on schedule sections was erroneous sometimes when a it was possible to bypass a station.
FIX: End of Rush Hour demo screen was not shown in demo
FIX: The tooltip of unlock upgrade task in the tutorial was not clear
FIX: Trains arriving within a minute after their scheduled arrival were marked as delayed on the train bottom bar schedule