fix(search): null checks and focus fixes

Jacky Zhao

2024-02-02 0a3379a8530f365e2bd85e8ea20a1dfc8126c39c

 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;