fix: correctly parse falsy js as title (#900)

Eiko Wagenknecht

2024-02-19 b6cf3df84f452c22ac9ddaf452b0ecbe0828086f

 quartz/components/styles/legacyToc.scss

@@ -12,7 +12,7 @@
      margin: 0;
    }
  }
    

  & ul {
    list-style: none;
    margin: 0.5rem 1.25rem;