Indicate original in Highlight Averages transform
Indicate original in Highlight Averages transform

- Also hide legend in max average transformed graph, because it’s no
use when there’s many series anyway, which is this transform’s use
case. It should be re-written to work client-side, and highlight series
in an interactive graph anyway.

tessera-metrics/tessera,filippog/tessera,jmptrader/tessera,filippog/tessera,urbanairship/tessera,aalpern/tessera,jmptrader/tessera,section-io/tessera,aalpern/tessera,Slach/tessera,filippog/tessera,urbanairship/tessera,section-io/tessera,aalpern/tessera,section-io/tessera,aalpern/tessera,jmptrader/tessera,urbanairship/tessera,tessera-metrics/tessera,urbanairship/tessera,section-io/tessera,Slach/tessera,tessera-metrics/tessera,jmptrader/tessera,Slach/tessera,urbanairship/tessera,tessera-metrics/tessera,tessera-metrics/tessera,aalpern/tessera,Slach/tessera,jmptrader/tessera