Kehlani has the No. 1 R&B album in the U.S. this week.  Her self-titled fifth LP opens at No. 1 on Billboard’s Top R&B Albums chart. It’s her fourth visit to the top and her seventh top 10 overall. Here’s an overview of Kehlani’s top 10s on Billboard’s R&B Albums chart, ranked by peak: SweetSexySavage, No.…