Bug SVG favicons not supported in unfurled URLs

[DeltaHF]

If a URL is unfurled and the target page references an SVG favicon, the favicon is not displayed in the unfurled preview.

As an example, here is an unfurled link to a CSS-Tricks article which references the following favicons:

HTML:

<link rel="icon" href="/favicon.ico" sizes="any">
<link rel="icon" href="/favicon.svg" type="image/svg+xml">
<link rel="icon" href="https://i1.wp.com/css-tricks.com/wp-content/uploads/2021/07/star.png?fit=32%2C32&#038;ssl=1" sizes="32x32" />
<link rel="icon"...

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