Enable resetting zoom level on chart

[parkdoeui]

https://user-images.githubusercontent.com/59836949/192872463-38de7dd9-c990-431d-bc58-a12e1b8b0614.mov
It seems like there is no option to reset zoom level (other than refresh the whole page) when the user zooms into the charts.

[geoerika]

@parkdoeui this is not a feature requested in Cox and don;t think even many people know about this, but we will look into it. I think also this would be more of a chart-system issue, not widget-studio.

[parkdoeui]

If this is not the requested feature, I think it is a good idea to disable zooming in order to prevent users from doing so.