refactor(relay): extract shared relay policy presets across endpoints

pages/api/endpoint/getadvancedsearch_api.js

@@ -25,6 +25,7 @@ import { azureHeadersPaged } from "../../../actions/core/headers";
 import { consoleLogger } from "../../../actions/core/logger";
 import { respondError, respondSuccess } from "../middleware/apiResponse";
 import { relayGet, relayGetData } from "../middleware/relayForwarding";
+import { RELAY_POLICY_SEARCH_PAGED } from "../middleware/relayPolicyPresets";
 
 export default async function ApiProxy(req, res) {
     const encodedSearchString = req.query.searchstring;
@@ -103,13 +104,7 @@ export default async function ApiProxy(req, res) {
         queryString +
         " pinswg_appealcasetype ne null and pinswg_publishtoweb eq true&$orderby=createdon desc&$count=true";
 
-    const relayPolicy = {
-        method: "GET",
-        timeoutMs: 9000,
-        maxRetries: 2,
-        retryBaseDelayMs: 150,
-        retryMaxDelayMs: 1000
-    };
+    const relayPolicy = RELAY_POLICY_SEARCH_PAGED;
 
     return relayGet({
         queryUrl,