fix: slash menu scroll behavior

[Saul-Mirone]

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Summary

Fix the double scroll behavior of slash menu

How did you test this change?

CI and manually

[vercel[bot]]

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Name	Status	Preview	Comments	Updated (UTC)
milkdown-storybook	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 19, 2024 2:13am

[nx-cloud[bot]]

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✅ Successfully ran 3 targets

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[cypress[bot]]

Passing run #905 ↗︎

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Merge cd04f4dc7ef7f6eb4123d0e2f9d3ee7c69637df1 into 097532e85d60991330cd161311e3...
Project: Default Project	Commit: 71bc67b819 ℹ️
Status: Passed	Duration: 01:45 💡
Started: Jun 19, 2024 2:16 AM	Ended: Jun 19, 2024 2:18 AM

Review all test suite changes for PR #1386 ↗︎

[cypress[bot]]

Passing run #906 ↗︎

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Details:

fix: slash menu scroll behavior (#1386)
Project: Default Project	Commit: cc6a3eba3a
Status: Passed	Duration: 01:33 💡
Started: Jun 19, 2024 2:23 AM	Ended: Jun 19, 2024 2:25 AM

Review all test suite changes for PR #1386 ↗︎