To the surprise of no one, Disney Theatrical Prods. has made the Broadway stint for tuner “Newsies” an open-ended run in the wake of booming box office and awards-season love.Musical was initially set for a limited Main Stem engagement intended to lend a Rialto imprimatur to a title expected to yield bumper licensing revenues, according to Disney execs. Aud fervor, stoked among fans of the 1992 pic on which the musical is based, and strong sales prompted an earlier extension of the run, stretching the sked into August. Show pulled in $930,000 last week and played to full-house auds. In April the production logged its first sesh in the millionaires’ club, and earlier this month, the tuner nabbed eight Tony nominations, including new musical. Next week Disney will start selling tickets through Nov. 18, with group sales available for perfs through Jan. 6. Cast, led by current Tony nominee Jeremy Jordan, is expected to stick with the show through its new dates.