`updateOptions` on sync'd charts causes all charts to use the same dataset.

[kevinehosford]

Codepen

https://codepen.io/kevinhos/pen/zYOjpzQ

Explanation

In this codepen you can see that when calling updateOptions on synchronized charts, the charts switch to using the same dataset. If you use exec instead, the charts behave as expected and don't render the same data.

• What is the behavior you expect?

Synchronized charts maintain their own data when their options are updated.

• What is happening instead?

Synchronized charts render the same data.

• What error message are you getting?

N/A

[junedchhipa]

Duplicate of #623