Inside the glorious ‘Rocketman’ orgy scene that almost got cut.

Taron Egerton in “Rocketman.” (Image: PARAMOUNT PICTURES)

As one would expect from a movie about Elton John, “Rocketman” peaks during its musical sequences. There’s the downcast family singalong set to “I Want Love,” the perky carnival boogie set to “Saturday Night’s Alright for Fighting,” the surreal tavern performance…