Fix overflow in the y direction on radio choice

[nixterrimus]

Summary:

Fixes radio choice showing a scrollbar in the y direction when showing MathJax.

Issue: https://khanacademy.atlassian.net/browse/LC-1177

Test plan:

• Visit http://localhost:8090/math/algebra2/x2ec2f6f830c9fb89:exp/x2ec2f6f830c9fb89:equivalent-exp/e/rewrite-exponential-expressions?devflagk=mathjax3 with an updated perseus
• You should see math in the radio choices without overflow

Additionally

• Python content should continue to be scrollable in the x direction

[changeset-bot]

🦋 Changeset detected

Latest commit: 1956531

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@khanacademy/perseus	Minor
@khanacademy/perseus-editor	Patch

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[khan-actions-bot]

Gerald

Required Reviewers

• @Khan/perseus for changes to .changeset/nasty-islands-sin.md, packages/perseus/src/widgets/radio/choice.tsx, packages/perseus/src/multi-items/__tests__/__snapshots__/multi-renderer.test.tsx.snap, packages/perseus/src/widgets/__tests__/__snapshots__/group.test.tsx.snap, packages/perseus/src/widgets/__tests__/__snapshots__/radio.test.ts.snap

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[github-actions]

npm Snapshot: Published

🎉 Good news!! We've packaged up the latest commit from this PR (033075c) and published it to npm. You
can install it using the tag PR706.

Example:

yarn add @khanacademy/perseus@PR706

[github-actions]

Size Change: +8 B (0%)

Total Size: 847 kB

Filename	Size	Change
packages/perseus/dist/es/index.js	396 kB	+8 B (0%)

ℹ️ View Unchanged

Filename	Size
packages/kas/dist/es/index.js	38 kB
packages/kmath/dist/es/index.js	4.12 kB
packages/math-input/dist/es/index.js	103 kB
packages/perseus-core/dist/es/index.js	55 B
packages/perseus-editor/dist/es/index.js	268 kB
packages/perseus-error/dist/es/index.js	705 B
packages/perseus-linter/dist/es/index.js	21.2 kB
packages/pure-markdown/dist/es/index.js	3.64 kB
packages/simple-markdown/dist/es/index.js	12.6 kB

_{compressed-size-action}

[benchristel]

LGTM! I left a suggestion inline about the changeset, which you can take or leave.

[nedredmond]

Looks good to me! Thanks, @nixterrimus !