500 on /en/[email protected]/admin (github#22532)

* 500 on /en/[email protected]/admin

* Update release-notes.js

Author: heiskr

middleware/contextualizers/release-notes.js

@@ -20,6 +20,7 @@ export default async function releaseNotesContext(req, res, next) {
   if (!(req.pagePath.endsWith('/release-notes') || req.pagePath.endsWith('/admin'))) return next()
 
   const [requestedPlan, requestedRelease] = req.context.currentVersion.split('@')
+
   const releaseNotesPerPlan = req.context.site.data['release-notes'][requestedPlan]
 
   // Release notes handling differs if version has numbered releases (like GHES) or not (like GHAE)
@@ -33,7 +34,7 @@ export default async function releaseNotesContext(req, res, next) {
   if (hasNumberedReleases) {
     const currentReleaseNotes = releaseNotesPerPlan[`${requestedRelease.replace(/\./g, '-')}`]
 
-    if (!currentReleaseNotes && req.pagePath.endsWith('/release-notes')) {
+    if (!currentReleaseNotes) {
       // If the GHES version doesn't have any release notes, let's be helpful and redirect to `enterprise.github.com`
       return requestedPlan === 'enterprise-server'
         ? res.redirect(`https://enterprise.github.com/releases/${requestedRelease}.0/notes`)