JOHOR BAHRU, June 18 — Johor Barisan Nasional (BN) chairman Datuk Onn Hafiz Ghazi has urged party members not selected as candidates for the upcoming state election to remain steadfast in the coalition’s struggle.The Johor caretaker menteri besar said efforts to strengthen the party must remain strong, with the people as the primary focus of the struggle.“Not being selected (as candidates) is not the end. There may be other responsibilities ahea…