CORE: add bid to winningBids when marking as used (prebid#9612)

* sets bid.status to rendered

* adds winnings bid when marking as used

* updates tests

Author: karimMourra

package.json

@@ -4,6 +4,7 @@
   "description": "Header Bidding Management Library",
   "main": "src/prebid.js",
   "scripts": {
+    "serve": "gulp serve",
     "test": "gulp test",
     "lint": "gulp lint"
   },

src/prebid.js

@@ -1009,7 +1009,9 @@ $$PREBID_GLOBAL$$.markWinningBidAsUsed = function (markBidRequest) {
   }
 
   if (bids.length > 0) {
-    bids[0].status = CONSTANTS.BID_STATUS.RENDERED;
+    const winningBid = bids[0];
+    auctionManager.addWinningBid(winningBid);
+    winningBid.status = CONSTANTS.BID_STATUS.RENDERED;
   }
 };