fix: visual highlighting in SVG bar plot example

[sandeep-ps]

Bug Report

Description

In examples/svglite/tutorial_bar_plot.html, visual highlighting seems to be missing. Investigate and fix this.

Steps to Reproduce

1. Open examples/svglite/tutorial_bar_plot.html
2. Use either of the BTS modes and navigate the charts

Actual Behavior

See that the visual highlight is missing.

Expected Behavior

Visual highlighting should be present.

Screenshots

Environment

• Operating System: MacOS
• Browser: Chrome
• Version: 1.3.0

Additional Information