Stop double formatting in label calculation

[carysmills]

What does this implement/fix?

Fixes double formatting and inaccurate measuring in the Donut Chart

Does this close any currently open issues?

Should fix https://github.com/Shopify/web/issues/152100 once updated in web

What do the changes look like?

You can see below in the console that the string we were measuring double formatted the label. You can see that as a result, the container was larger than it needed to be.

After, the container is the correct size, and you can see in the console that the string being measured is not double formatted.

Before	After

Storybook link

I haven't added a story for this, but you can try it out on the existing donut chart stories by console.logging the label that is getting measured here

Before merging

• Check your changes on a variety of browsers and devices.

• Update the Changelog's Unreleased section with your changes.

• Update relevant documentation, tests, and Storybook.

• Make sure you're exporting any new shared Components, Types and Utilities from the top level index file of the package

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
polaris-viz-core-cjs	61.73 KB (0%)	1.3 s (0%)	1.2 s (+24.55% 🔺)	2.5 s
polaris-viz-cjs	228.93 KB (-0.01% 🔽)	4.6 s (-0.01% 🔽)	1.9 s (-12.72% 🔽)	6.4 s
polaris-viz-esm	185.31 KB (-0.01% 🔽)	3.8 s (-0.01% 🔽)	1.6 s (+0.39% 🔺)	5.3 s
polaris-viz-css	5.72 KB (0%)	115 ms (0%)	340 ms (+7.03% 🔺)	454 ms
polaris-viz-esnext	192.36 KB (-0.01% 🔽)	3.9 s (-0.01% 🔽)	1.6 s (+9.77% 🔺)	5.4 s