handle hoverlabel.namelength in Fx.multiHovers

Author: etpinard

src/components/fx/hover.js

@@ -181,6 +181,7 @@ exports.multiHovers = function multiHovers(hoverItems, opts) {
             fontFamily: hoverItem.fontFamily,
             fontSize: hoverItem.fontSize,
             fontColor: hoverItem.fontColor,
+            nameLength: hoverItem.nameLength,
 
             // filler to make createHoverText happy
             trace: hoverItem.trace || {