Fix .comment-meta width issue

[LunarWatcher]

#1558 introduced a max-width condition that, for reasons I don't understand and likely never will, caused comment boxes to start underflowing:

Fix verified in:

• /thread/{id}
  • Selected thread + when embedded on that page
• /posts/{id}

This PR fixes this bug. AFAIK, it has not been reported anywhere (yet).

[LunarWatcher]

Is the test failure one of the flaky tests addressed in #1569? I don't see how this tiny CSS change would cause that to fail on one single ruby version otherwise

[Oaphi]

Is the test failure one of the flaky tests addressed in #1569? I don't see how this tiny CSS change would cause that to fail on one single ruby version otherwise

Yeah, judging by the error message, it's the flaky system tests, yeah, I'll rerun the pipeline shortly

[Oaphi]

Oh, I just realized I've noticed the issue too and fixed it in my PR with fixes related to the button: 2e7578c. Not sure how to proceed, though, our fixes might be complementary

[LunarWatcher]

Maybe it's worth reconsidering the problematic rule instead of doing this fix? I don't think the entire subtree needs a max-width, so maybe

-   * {
+   > * {
      max-width: 100%;
    }

Or something like that? I have not tested this rule, nor have I checked if that backfires, but I'm pretty sure the problem it was trying to fix was immediate descendants of the post, and not the entire subtree. Might've been an either inline mathjax or mathjax block fix as well, but that could be done separately

[ArtOfCode-]

Superseded by #1584