An arbitrator ordered the reinstatement of a Pittsburgh police officer fired after the death of a man in 2021.The decision came nearly two years after the city announced its intention to fire the officer and others involved in Jim Rogers’ death.Rogers, a 54-year-old homeless man, died a day after officers used a stun gun on him during an arrest for a reported bicycle theft.An arbitrator has ordered the reinstatement of a Pittsburgh police officer fired following the death of a man a day after officers used a stun gun on him during an arrest.The ruling Friday came nearly two years after…