A group gathered outside a Newark mosque Wednesday night to remember a community faith leader who was earlier fatally shot outside the building. Imam Hassan Sharif, of the Masjid Muhammad mosque, died at University Hospital at 2:20 p.m., Mayor Ras Baraka and the Essex County Prosecutor’s Office confirmed. The shooting was reported around 6:15 a.m. outside the mosque at South Orange Avenue and Camden Street, police said About 200 people gathered in front of Masjid Muhammad Wednesday night and linked arms in a symbolic call for unity just a few feet from where Sharif was struck down by a killer …