BERLIN — Come Sunday night, it will be done. Spain’s collection of wonderkids, comeback kids and kids-at-heart, under the watchful eye of everyone’s favorite substitute teacher, coach Luis de la Fuente, will have delivered the country Euro 2024, a European crown for three out of the past five tournaments. Or England, having already made the transition from tragicomic self-destructors to nearly men (this is their second straight Euro final, and…