test(e2e): fix mobile project reference to renamed menu-route spec

The mobile Playwright project still matched multi-tenant-menu.spec.ts, which was
renamed to menu-route.spec.ts, silently dropping that route from mobile coverage.

Author: vekexasia

web/playwright.config.ts

@@ -48,7 +48,7 @@ export default defineConfig({
         "**/home.spec.ts",
         "**/chat.spec.ts",
         "**/i18n.spec.ts",
-        "**/multi-tenant-menu.spec.ts",
+        "**/menu-route.spec.ts",
       ],
     },
   ],