fix(vidstack): cdn bundle should include fscreen

Author: mihar-22

packages/vidstack/tsdown.config.ts

@@ -240,7 +240,7 @@ function defineCDNBundle({
     outDir: dir,
     deps: {
       neverBundle: CDN_EXTERNAL_PACKAGES,
-      alwaysBundle: [/^lit-html/, /^@floating-ui/],
+      alwaysBundle: ['fscreen', /^lit-html/, /^@floating-ui/],
     },
     define: {
       ...(base.define as Record<string, string>),