f1a9ac9b15
Somehow with the old approach, `<figure>` is rearranged into `<head>`, and the latter is stripped by `Sanitizer::strip_harmful_tags()` (see [1]). The issue is fixed by [2]. Here I added a test for the regression. [1] https://community.tt-rss.org/t/unexpected-behavior-with-figure-tag/6244 [2] https://gitlab.tt-rss.org/tt-rss/tt-rss/-/commit/67012f9dac7de22615b72be93fa360f53fefe3ec