fix path regex

Author: danharrin

docs/src/components/VersionSelector.astro

@@ -1,7 +1,7 @@
 ---
 import navigation from '../navigation.json'
 
-let segments = Astro.url.pathname.match(/\/([0-9]*\.x)\/([a-z\-\_]*)\/([a-z\-\_]*)\/([a-z\-\_]*)/) || ["/3.x/panels/installation/", "3.x", "panels", "installation"];
+let segments = Astro.url.pathname.match(/\/([0-9]*\.x)\/([a-z\-\_]*)\/([a-z\-\_]*)\/([a-z\-\_]*)/) || Astro.url.pathname.match(/\/([0-9]*\.x)\/([a-z\-\_]*)\/([a-z\-\_]*)/) || ["/3.x/panels/installation/", "3.x", "panels", "installation"];
 let currentVersion = segments[1].replaceAll("/", "");
 let currentSection = segments[2].replaceAll("/", "");
 let currentPage = (segments[3] ?? null)?.replaceAll("/", "");

docs/src/layouts/BaseLayout.astro

@@ -29,7 +29,7 @@ let isHomePage = Astro.url.pathname === "/docs";
 
 let tableOfContents = headings.length > 0 ? collectHeadings(headings) : [];
 
-let segments = Astro.url.pathname.match(/\/([0-9]*\.x)\/([a-z\-\_]*)\/([a-z\-\_]*)/) || ["/4.x/introduction/overview/", "3.x", "panels", "installation"];
+let segments = Astro.url.pathname.match(/\/([0-9]*\.x)\/([a-z\-\_]*)\/([a-z\-\_]*)/) || ["/3.x/panels/installation/", "3.x", "panels", "installation"];
 
 let currentVersion = segments[1].replaceAll("/", "");
 let currentPackage = segments[2].replaceAll("/", "");