For some reason it shows when I right click the svg here: https://upload.wikimedia.org/wikipedia/commons/a/a0/Firefox_logo%2C_2019.svg. But clicking it there fails with "We can't screenshot this page: This isn't a standard Web page, so you can't take a screenshot of it."
Bug 1730169 Comment 2 Edit History
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For some reason it shows when I right click the svg here: https://upload.wikimedia.org/wikipedia/commons/a/a0/Firefox_logo%2C_2019.svg. But then clicking it there fails with "We can't screenshot this page: This isn't a standard Web page, so you can't take a screenshot of it."