A couple of tweaks to release notes page (#16934)

* Add link

* Allow multiple print buttons

* Fix scrolling for tall sidebar

Co-authored-by: Chiedo John <2156688+chiedo@users.noreply.github.com>

content/admin/index.md

@@ -28,3 +28,5 @@ versions:
 {% link_with_intro /packages %}
 
 {% link_with_intro /enterprise-support %}
+
+{% link_with_intro /release-notes %}

javascripts/print.js

@@ -1,14 +1,14 @@
 import { sendEvent } from './events'
 
 export default function () {
-  const printButton = document.querySelector('.js-print')
+  const printButtons = document.querySelectorAll('.js-print')
 
-  if (printButton) {
+  Array.from(printButtons).forEach(btn => {
     // Open the print dialog when the button is clicked
-    printButton.addEventListener('click', () => {
+    btn.addEventListener('click', () => {
       window.print()
     })
-  }
+  })
 
   // Track print events
   window.onbeforeprint = function () {

layouts/release-notes.html

@@ -95,8 +95,11 @@
           </div>
         </article>
 
-        <aside class="markdown-body d-none d-md-block border-left no-print bg-white flex-shrink-0" style="width: 300px">
-          <nav class="position-sticky top-0">
+        <aside
+          class="markdown-body position-sticky top-0 d-none d-md-block border-left no-print bg-white flex-shrink-0"
+          style="width: 300px; height: 100vh;"
+        >
+          <nav class="height-full overflow-auto">
             <ul class="list-style-none pl-0 text-bold">
               {% for release in releases %}
                 <li class="border-bottom">