I'm unable to reproduce this on my end. Could you run [mozregression](https://mozilla.github.io/mozregression/) to see when this started happening?
Bug 1811128 Comment 7 Edit History
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~~I'm unable to reproduce this on my end. Could you run [mozregression](https://mozilla.github.io/mozregression/) to see when this started happening?~~ Edit: Nevermind, I see the problem now.