tetragon:username: use login name instead of display name

[ OSS main 96e5028 fix ]

Main uses cache where 1.1 does not use a cache.

Signed-off-by: Djalal Harouni <tixxdz@gmail.com>

pkg/sensors/exec/exec.go

@@ -78,7 +78,7 @@ func msgToExecveAccountUnix(m *exec.MsgExecveEventUnix) {
 			if ns.Mnt.IsHost && ns.User.IsHost {
 				// use Golang user.LookupId() as we want to only parse /etc/passwd for now
 				if userInfo, err := user.LookupId(strconv.FormatUint(uint64(m.Unix.Process.UID), 10)); err == nil {
-					m.Unix.Process.User.Name = userInfo.Name
+					m.Unix.Process.User.Name = userInfo.Username
 				}
 			}
 		}