BY ALAN SCULLEYSpecial to Florida WeeklyDolls bring a new album, new mindset to SunFestA lot of the talk surrounding the Goo Goo Dolls as the band goes on tour this spring behind its latest album, “Magnetic” (and a new 5-song acoustic EP, “Warner Sound Sessions Live”) is centering on how life is better in the band than it was when the group last went through the album-making process.That tour circles around to West Palm Beach, when the band plays SunFest (9:30 p.m. May 2).Some of the good vibes reflect recent events in the lives of the Goo Goo Dolls’ two founding members. Singer/guitarist John