Momentum is a thing. Even if they scored, France still had quite some time to score an equalizer. Eder might not have desperately tried to scored if they were already ahead. The game might’ve been equal 1-1 and gone to Penalties where Portugal might’ve lost
England vs Germany was the biggest matchup in Euro 2020. England were up 1-0 and Muller could’ve equalized. However, he went just wide and England later scored again to win 2-0, marking their easy path to the Final, where they’d lose to Italy.