FRANKFURT, Germany — The odd thing about watching Germany less than three months from the 2024 European Championship, their first major event on home soil since the 2006 World Cup, is the blasé vibe you get from fans, players and coach Julian Nagelsmann. The 45,000 fans in attendance for Tuesday’s 2-1 friendly win against Netherlands certainly made a racket, but in a corporate crowd/stadium DJ/pass-the-beer sort of way. They didn’t…