Live: prepend orgId when publishing from HTTP (#38775)

pkg/services/live/features/broadcast.go

@@ -65,5 +65,5 @@ func (b *BroadcastRunner) OnPublish(_ context.Context, u *models.SignedInUser, e
 	if err := b.liveMessageStore.SaveLiveMessage(query); err != nil {
 		return models.PublishReply{}, 0, err
 	}
-	return models.PublishReply{}, backend.PublishStreamStatusOK, nil
+	return models.PublishReply{Data: e.Data}, backend.PublishStreamStatusOK, nil
 }

pkg/services/live/features/broadcast_test.go

@@ -81,5 +81,5 @@ func TestBroadcastRunner_OnPublish(t *testing.T) {
 	)
 	require.NoError(t, err)
 	require.Equal(t, backend.PublishStreamStatusOK, status)
-	require.Nil(t, reply.Data)
+	require.Equal(t, data, reply.Data)
 }