fix(search): set background-color for icon within preview panel (#815)

Aaron Pham

2024-02-06 52ef6d1b6f2c4be99426929fc98b17dc7e7e96fc

 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;