[v11.3.x] Graphite: Fix Multi Dimensional Alias Name (#95618)

Graphite: Fix Multi Dimensional Alias Name (#94563)

(cherry picked from commit 89da7d6fe5)

Co-authored-by: Alyssa (Bull) Joyner <58453566+alyssabull@users.noreply.github.com>

pkg/tsdb/graphite/graphite.go

@@ -295,6 +295,9 @@ func (s *Service) toDataFrames(logger log.Logger, response *http.Response, origR
 
 		tags := make(map[string]string)
 		for name, value := range series.Tags {
+			if name == "name" {
+				value = target
+			}
 			switch value := value.(type) {
 			case string:
 				tags[name] = value