Horizontal legend wrap calculated before automargin

[mikesmith1611]

Hi,

The horizontal legend wrapping seems to be calculated before any auto margin calculations are applied.
This means that the legend can appear off the page if longer axis labels are used.

https://jsfiddle.net/vj5a6r4x/

[alexcjohnson]

Confirmed - thanks for the clear reproduction @mikesmith1611!