fix(event): fix hooked_syscall when picked by sig only

Change is needed because for a signature event using the "hookedsyscall"
event, the hooked syscall won't be emitted, only the detection made by
the signature using the event as a dependency.

pkg/ebpf/hooked_syscall_table.go

@@ -25,7 +25,7 @@ func (t *Tracee) hookedSyscallTableRoutine(ctx gocontext.Context) {
 	logger.Debugw("Starting hookedSyscallTable goroutine")
 	defer logger.Debugw("Stopped hookedSyscallTable goroutine")
 
-	if t.eventsState[events.HookedSyscall].Emit == 0 {
+	if t.eventsState[events.HookedSyscall].Submit == 0 {
 		return
 	}