[Analytics] Add search tracking (#24732)

* [Analytics] Add sidebar search event

* Update

Author: kodster28

src/components/overrides/Sidebar.astro

@@ -37,6 +37,7 @@ const [product, module] = Astro.url.pathname.split("/").filter(Boolean);
 <Default><slot /></Default>
 
 <script>
+	import { track } from "~/util/zaraz"
 	function initSidebarSearch() {
 		const searchInput = document.getElementById('sidebar-search') as HTMLInputElement;
 		const noResultsMessage = document.getElementById('sidebar-no-results') as HTMLElement;
@@ -94,6 +95,7 @@ const [product, module] = Astro.url.pathname.split("/").filter(Boolean);
 		function filterSidebarItems(query: string) {
 			const items = sidebarContent!.querySelectorAll('li');
 			const detailsElements = sidebarContent!.querySelectorAll('details');
+			track("use sidebar search", { query: query });
 
 			if (!query.trim()) {
 				// Reset to original state