message: Query Browser: Add back 1px top padding
  We actually need a tiny bit of padding at the top of the graph.
  Otherwise 1px of the highest point on the line is cut off.
diff: @@ -117,6 +117,7 @@ const Graph: React.FC<GraphProps> = React.memo(({containerComponent, domain, dat
  {width > 0 && <Chart
  containerComponent={containerComponent}
  domain={domain || {x: [Date.now() - span, Date.now()], y: undefined}}
  + domainPadding={{y: 1}}
  height={200}
  minDomain={{y: 0}}
  scale={{x: 'time', y: 'linear'}}
  