Fluct Bid Adapter: ie polyfill for url search params (prebid#7478)

* Fluct Bid Adapter: ie polyfill 4 url search params

* more specific import

* see if corejs is white listed

* update to pure core js

* update link

* change format

* add to whitelist

* fix path to web

* add features path

* update path

* drop web in path

* fix path

* try again

* update to root

* restore path

* add comma

allowedModules.js

@@ -5,7 +5,8 @@ const sharedWhiteList = [
   'core-js-pure/features/set', // ie11 supports Set but not Set#values
   'core-js-pure/features/string/includes', // no ie11
   'core-js-pure/features/number/is-integer', // no ie11,
-  'core-js-pure/features/array/from' // no ie11
+  'core-js-pure/features/array/from', // no ie11
+  'core-js-pure/web/url-search-params' // no ie11
 ];
 
 module.exports = {

modules/fluctBidAdapter.js

@@ -1,5 +1,6 @@
 import * as utils from '../src/utils.js';
 import { registerBidder } from '../src/adapters/bidderFactory.js';
+import URLSearchParams from 'core-js-pure/web/url-search-params'
 
 const BIDDER_CODE = 'fluct';
 const END_POINT = 'https://hb.adingo.jp/prebid';