A licensed drug addiction counselor who delivered “Friends” star Matthew Perry the doses of ketamine that killed him is set to be sentenced on Wednesday. Prosecutors are asking for 2 1/2 years in prison for 56-year-old Erik Fleming, one of five people who pleaded guilty in connection with the actor’s 2023 death in the Jacuzzi of his Los Angeles home. Fleming connected Perry to Jasveen Sangha, the convicted drug dealer who prosecutors called “The Ketamine Queen.” She was sentenced last month to 15 years in prison . Matthew Perry, pictured in London in 2016, was found dead on Oct. 28, 2023. David M.…