Scheduled dispatch: Fixup start dates when changing game date

src/toolbar_gui.cpp

@@ -1159,6 +1159,7 @@ void SetStartingYear(Year year)
 	Date new_date = ConvertYMDToDate(_settings_game.game_creation.starting_year, 0, 1);
 	/* If you open a savegame as scenario there may already be link graphs.*/
 	LinkGraphSchedule::instance.ShiftDates(new_date - _date);
+	ShiftOrderDates(new_date - _date);
 	SetDate(new_date, 0);
 }