Fix OHLC plots (#291)

- Was mapping the constant to the wrong value for the data
- Fixes #290

Author: mofojed

packages/chart/src/ChartUtils.js

@@ -140,6 +140,8 @@ class ChartUtils {
       case dh.plot.SourceType.LOW:
         return 'low';
       case dh.plot.SourceType.CLOSE:
+        return 'close';
+      case dh.plot.SourceType.SHAPE:
         return 'shape';
       case dh.plot.SourceType.SIZE:
         return 'size';