fix(EventLogs): missing prefix on backend enum
fix(EventLogs): missing prefix on backend enum


(cherry picked from commit 3a3835284f9b2a488d6a052452a54a95e95e087b)
BelledonneCommunications/flexisip,BelledonneCommunications/flexisip,BelledonneCommunications/flexisip,BelledonneCommunications/flexisip