update logic in setHeaders

carrier.go

@@ -1,11 +1,12 @@
 package kgo
 
 import (
-	"github.com/twmb/franz-go/pkg/kgo"
-	"go.unistack.org/micro/v3/metadata"
 	"net/http"
 	"slices"
 	"strings"
+
+	"github.com/twmb/franz-go/pkg/kgo"
+	"go.unistack.org/micro/v3/metadata"
 )
 
 // RecordCarrier injects and extracts traces from a kgo.Record.