Fix editing voice attachments

[martinmitrevski]

🎯 Goal

Messages with async voice attachment weren't edited properly - we treated the voice recording as video recording.

📝 Summary

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🛠 Implementation

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🎨 Showcase

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🧪 Manual Testing Notes

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☑️ Contributor Checklist

• I have signed the Stream CLA (required)
• This change follows zero ⚠️ policy (required)
• This change should be manually QAed
• Changelog is updated with client-facing changes
• New code is covered by unit tests
• Comparison screenshots added for visual changes
• Affected documentation updated (docusaurus, tutorial, CMS)

🎁 Meme

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[github-actions]

	1 Warning
⚠️	Please be sure to complete the Contributor Checklist in the Pull Request description

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