docs: fix typo in `authoring content.md` (#408)

Ben Schlegel

2023-08-24 9d2340e90b55fb9480e0901bc7360f3d72e688da

 quartz/components/styles/search.scss

@@ -48,7 +48,6 @@
    overflow-y: auto;
    display: none;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);

    &.active {
      display: inline-block;