ldap-import: Add additional logs (#19691)

These logs are being added to provide better debugging of LDAP
normalization on IAM import.

cmd/logging.go

@@ -18,6 +18,10 @@ func iamLogIf(ctx context.Context, err error, errKind ...interface{}) {
 	logger.LogIf(ctx, "iam", err, errKind...)
 }
 
+func iamLogEvent(ctx context.Context, msg string, args ...interface{}) {
+	logger.Event(ctx, "iam", msg, args...)
+}
+
 func rebalanceLogIf(ctx context.Context, err error, errKind ...interface{}) {
 	logger.LogIf(ctx, "rebalance", err, errKind...)
 }