Live: avoid panic when type changes (#35394)

go.mod

@@ -51,7 +51,6 @@ require (
 	github.com/gorilla/websocket v1.4.2
 	github.com/gosimple/slug v1.9.0
 	github.com/grafana/grafana-aws-sdk v0.4.0
-	github.com/grafana/grafana-live-sdk v0.0.6
 	github.com/grafana/grafana-plugin-sdk-go v0.104.0
 	github.com/grafana/loki v1.6.2-0.20210520072447-15d417efe103
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
@@ -60,6 +59,7 @@ require (
 	github.com/hashicorp/go-version v1.3.0
 	github.com/inconshreveable/log15 v0.0.0-20180818164646-67afb5ed74ec
 	github.com/influxdata/influxdb-client-go/v2 v2.2.3
+	github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097
 	github.com/jmespath/go-jmespath v0.4.0
 	github.com/json-iterator/go v1.1.11
 	github.com/jung-kurt/gofpdf v1.16.2