A majority of the Supreme Court signaled Monday they would allow abortion providers to pursue a court challenge to a Texas law that has virtually ended abortion in the nation’s second-largest state after six weeks of pregnancy.But it was unclear how quickly the court would rule and whether it would issue an order blocking the law that has been in effect for two months, or require providers to ask a lower court put the law on hold.Two conservative justices, Brett Kavanaugh and Amy Coney Barrett, voted in September to allow …