chore(fix): Detect nightly tab

Correctly detect that we're in the "Nightly" tab, by checking if the URL
contains the `/nightly/` path.

Author: apyrgio

templates/html.tmpl

@@ -821,7 +821,7 @@
         </div>
         <div class="view-switch" role="navigation" aria-label="Report view">
             <a href="/index.html" data-view="latest">Latest</a>
-            <a href="/nightly/" data-view="nightly">Nightly</a>
+            <a href="/nightly/index.html" data-view="nightly">Nightly</a>
         </div>
         <div class="severity-info">
             <div class="severity-box" id="critical">
@@ -1357,7 +1357,7 @@
         }
 
         const path = window.location.pathname || '';
-        const activeView = path.endsWith('nightly.html') ? 'nightly' : 'latest';
+        const activeView = path.includes('/nightly/') ? 'nightly' : 'latest';
 
         switcher.querySelectorAll('a[data-view]').forEach(link => {
             if (link.dataset.view === activeView) {