No thumbnail or preview for AV1 video

[odebroqueville]

---

QLVideo: 3.03
macOS: Version 26.3 (Build 25D125)
Hardware: Mac16,10, Apple M4, neon=yes
Previewer: Not found
Thumbnailer: Not found
Media Formats: 3.03
Media Codecs: 3.03
Spotlight: Imported 'file.mkv' of type 'com.firecore.fileformat.mkv' with plugIn /Applications/QuickLook Video.app/Contents/Library/Spotlight/QLVideo Metadata.mdimporter. 43 attributes returned

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