Spot is difficult to tap which come on border line

Line spot point which comes in any border point are difficult to tap as half area comes in chart area and half comes in outside chart area. how can I resolve this. In image chart area is in red color and spot coming outside the red area so difficult to tap.

@imaNNeoFighT What can we do to resolve this tap issue.

**Versions**
- Flutter - 1.24.0
- Fl_chart - ^0.12.1

Start by reproducing the border-point tapping behavior with Flutter 1.24.0 and fl_chart ^0.12.1 using the chart shown in the attached image. Inspect the chart's touch handling and hit-area behavior; done means points on the chart boundary can be tapped reliably rather than being partly outside the interactive area.

Written by the indexing model from the issue text.