title: Unexpected text "NaN" appearing near y-axis of the Chart
body: <p>There is a unexpected text "NaN" appearing near the Y-axis of the chart when both the datasets(Capital and Expense) of a chart are hidden in chart created using Chartjs(<a href="http://chartjs.org" rel="nofollow noreferrer">Link</a>) plugin. The <strong>chartType</strong> being used here is <strong>horizontalBar</strong> chart.</p>
  
  <p>Also attached is a screenshot of how it looks when one of the dataset is hidden(Type 1) and the Type 2 shows the chart when both the datasets are hidden.</p>
  
  <p><code>Link to fiddle</code><a href="https://jsfiddle.net/uc64673u/" rel="nofollow noreferrer">JsFiddle</a></p>