By bne Tehran bureau Turkish President Recep Tayyip Erdogan is scheduled to visit Iran on May 22 to attend the funeral of Iran’s President Ebrahim Raisi, who was recently killed in a helicopter crash. Erdogan’s visit comes amid a flurry of visits from regional leaders and diplomats on May 22, where Raisi’s body laid in state along with former Foreign Minister Hossein Amir-Abdollahian and a senior military commander who was on board. Turkish Vice President Cevdet Yılmaz and Foreign Minister Hakan Fidan were among the attendees at an official commemoration ceremony in the north of Tehran. The fu…