Fixes error with tooltip
Fixes error with tooltip

Whenever there is a gap in the number of visible series, hovering
produces the error 'Cannot read property 'key' of undefined'. This is
resolved by checking for existence of
self.props.chart.series[series[seriesIndex]] before executing
tooltipFormatter.setConfig

RazorFlow/framework,RazorFlow/framework,RazorFlow/framework,RazorFlow/framework