By SANDY MASUOThe Goo Goo Dolls specialize in scruffy, punk-edged guitar pop full of hummable hooks, rock crunch, heartfelt playing and earnest lyrics. And although the Buffalo, N.Y., trio’s first album in four years, “Dizzy Up the Girl,” has an uncomfortably tidy commercial gloss, when the group kicked off its new tour at a sold-out Galaxy Theatre in Santa Ana on Thursday it demonstrated that it hasn’t lost its scrappy appeal.Supplemented by a second guitarist, a keyboardist and, for one song, a harmonica player, the Goo Goos played a snappy, 90-minute set that crackled with spontaneous energ