fix: add missing SearchDialog import in browse page

Author: hubsmoke

src/pages/browse/index.astro

@@ -6,6 +6,7 @@ import BasePage from '@awesome-myst/myst-awesome/layouts/BasePage.astro';
 import Footer from '../../components/Footer.astro';
 import Header from '../../components/Header.astro';
 
+import SearchDialog from '../../components/SearchDialog.astro';
 import '../../styles/custom.css';
 
 import { getCollection } from 'astro:content';