Smartly sidestepping the obvious comparison from the start – the line-reading of “Hello gorgeous” sounds more conversational, less sing-songy than the one etched in our brains for all these decades – Broadway’s new Funny Girl revival doesn’t so much make a grand play for replacement as a peaceful offering for coexistence: The show that made Barbra Streisand a musical theater icon likely won’t do the same for its latest star, but neither is it cause for grumbling how-dare-shes.