markdown_preview: Fix release notes title being overridden (#31703)

Closes: #31701

Screenshot:

<img width="383" alt="image"
src="https://github.com/user-attachments/assets/7fd8ce70-2208-4aca-bc70-860d6c649765"
/>



Release Notes:

- Fixed in-app release notes having an incorrect title

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Co-authored-by: Gilles Peiffer <gilles.peiffer.yt@gmail.com>
89c184a26fSimon Pham committed on 5/30/2025, 8:29:52 AM· committed by GitHubparentd7f0241
2 files changedLine totals unavailable