Fix bugs deleting assets, obstacles, vulnerabilities and threats
Fix bugs deleting assets, obstacles, vulnerabilities and threats

failys/CAIRIS,nathanbjenx/cairis,nathanbjenx/cairis,RobinQuetin/CAIRIS-web,failys/CAIRIS,nathanbjenx/cairis,nathanbjenx/cairis,RobinQuetin/CAIRIS-web,failys/CAIRIS,RobinQuetin/CAIRIS-web