Describe the bug
When we have a Chart Tooltip in the Native Vue Chart and this Tooltip appears over the Chart itself, if we hover the Tooltip it starts to flicker.

To Reproduce

1. Open this StackBlitz example
2. Hover random series to display the ToolTip
3. Move the mouse cursor over the ToolTip

Expected behavior
The Tooltip of the Native Chart should not flicker when moving the mouse cursor over it.

• Possible workaround is to use the following CSS definition:

.k-animation-container.k-chart-tooltip-wrapper {
  pointer-events: none;
}