Version
4.4.0-rc.1
Reproduction link
https://jsfiddle.net/tmtron/f8pwxe63/
Steps to reproduce
when we use clip='true', the axis pointer will show data that is outside of the chart grid

What is expected?
when clip='true' the data outside of the chart grid should be hidden
What is actually happening?
when clip='true' the data outside of the chart grid is shown