🐛 Make sticky work for ToC

Sticky for the container, not the whole column

Author: CollierCZ

packages/docs/src/lib/components/TableOfContents.svelte

@@ -11,7 +11,7 @@
 </script>
 
 {#if filteredHeadings.length > 0}
-  <nav>
+  <nav class="sticky top-0">
     <h2 class="pb-2 font-semibold">On This Page</h2>
     <ul class={navStyles}>
       {#each filteredHeadings as heading (heading.id)}

packages/docs/src/routes/[...slug]/+page.svelte

@@ -27,7 +27,7 @@
     <data.page.default />
   </div>
   {#if headings}
-    <div class="hidden sm:block sm:sticky top-0">
+    <div class="hidden sm:block">
       <TableOfContents {headings} />
     </div>
   {/if}