Drop “display: none” from details element contents styling

[sideshowbarker]

trafficstars

What are you trying to accomplish?

Fixes #2592

What approach did you choose and why?

Removed display: none from details contents styling

What should reviewers focus on?

See https://github.com/primer/css/issues/2592#issue-2199903597 for repro/test steps

Can these changes ship as is?

• [X] Yes, this PR does not depend on additional changes. 🚢

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 887edd81a1b5664a892aaf8f00f2c9833c789c0e

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

This PR includes changesets to release 1 package

Name	Type
@primer/css	Patch

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[github-actions[bot]]

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[sideshowbarker]

Friendly ping to reviewers

[keithamus]

Thanks for the ping @sideshowbarker. I’ll look at integrating this tomorrow and if it works out nicely we can look to ship it this week.