[Enterprise Search][Behavioral Analytics] Update trackSearch and trackSearchClick params (#156735)

Update the filters, results.items, page example  for:
-  ✔️ trackSearch
- ✔️  trackSearchClick

<img width="853" alt="image"
src="https://user-images.githubusercontent.com/17390745/236317257-0eb0c272-c013-4287-8cf2-c77adf425422.png">

<img width="853" alt="image"
src="https://user-images.githubusercontent.com/17390745/236316701-ffa06772-e69a-4273-98bf-13c18e1a378e.png">

x-pack/plugins/enterprise_search/public/applications/analytics/components/analytics_collection_view/analytics_collection_integrate/analytics_collection_integrate_javascript_client_embed.tsx

@@ -173,15 +173,26 @@ const SearchResult = ({ hit }) => {
   const clickHandler = () => {
     trackSearchClick({
       document: { id: hit.id, index: "products" },
+      page: {
+        url: "http://my-website.com/products/123"
+      },
       search: {
         query: "search term",
-        filters: [],
+        filters: {},
         page: { current: 1, size: 10 },
-        results: { 
+        results: {
           items: [
-            { id: "123", index: "products" }
+            {
+              document: {
+                id: "123",
+                index: "products",
+              },
+              page: {
+                url: "http://my-website.com/products/123",
+              },
+            },
           ],
-          total_results: 10 
+          total_results: 10
         },
         sort: {
           name: "relevance",

x-pack/plugins/enterprise_search/public/applications/analytics/components/analytics_collection_view/analytics_collection_integrate/analytics_collection_integrate_javascript_embed.tsx

@@ -115,10 +115,10 @@ window.elasticAnalytics.createTracker({
             {`window.elasticAnalytics.trackSearch({
   search: {
     query: "laptop",
-    filters: [
-      { field: "brand", value: ["apple"] },
-      { field: "price", value: ["1000-2000"] },
-    ],
+    filters: {
+      brand: ["apple"],
+      price: ["1000-2000"],
+    },
     page: {
       current: 1,
       size: 10,