`updateOptions` does not update X-Axis Category Labels

[benmusson]

Description

When attempting using updateOptions to change the category labels of an X-Axis, the category labels do not update.

Steps to Reproduce

1. Render a Radar chart and define xaxis.categories as an array of labels.
2. Call chart.updateOptions() and pass a new array of labels for xaxis.categories.

Expected Behavior

The chart should render with new category labels.

Actual Behavior

The original labels are retained, and nothing changes visually.

Reproduction Link

Version 4.5.0 (WORKING)
https://codepen.io/benmusson/pen/zxGeQZm

Version 4.7.0 (BROKEN)
https://codepen.io/benmusson/pen/Eajrzap

Other Information

I think this might be related to #5022?