Matthew Perry’s ketamine suppliers are reportedly close to being snared by police probing the ‘Friends’ actor’s death. The troubled star, who spent years battling drink and drug addictions, was found dead aged 54 in the hot tub of his Los Angeles home in October 2023, with an autopsy revealing he had been killed by “acute effects of ketamine” – and last week cop sources said several people should be charged in connection with the actor’s passing. TMZ is now reporting federal authorities probing Matthew’s death are “confident” they have “the goods to take down the people who helped him obtain t…