fix: deep clone before relativizing urls in transclude (closes #640)

Jacky Zhao

2023-12-20 2e9896c893602dfab6a1b564800c6354b802cece

 quartz/components/styles/toc.scss

@@ -30,6 +30,7 @@
  overflow: hidden;
  max-height: none;
  transition: max-height 0.5s ease;
  position: relative;

  &.collapsed > .overflow::after {
    opacity: 0;