A Piscataway police officer who filed a discrimination lawsuit against the township’s police chief had been suspended less than two months earlier based on a video that showed sexual harassment at work, according to court documents released to NJ Advance Media on Thursday. In a lawsuit filed Jan. 6, Officer Alan Barboiu, who was born in Romania, claims Chief Thomas Mosier has mocked his accent, told other officers to stay away from him and created a phony paper trail to terminate his employment. Barboiu’s complaint was one of two discrimination lawsuits filed against Mosier within the past few…