Triplelift - update creativeId (prebid#3305)

* removed dependancy on getTopWindowUrl for referer

* protect against undefined obj and remove test on old dependency

* added unit test for referer and gdpr in query string

* removed gdpr test

* removed gdpr from bidderRequest obj

* decontructed bidder request obj in chai test

* just need to run karma tests again

* added gdpr consent to all bidderRequest obj in chai tests

* changed creativeId to be a Triplelift specific id rather than represent SRA impression

* error-proofed creative id

modules/tripleliftBidAdapter.js

@@ -113,11 +113,11 @@ function _buildResponseObject(bidderRequest, bid) {
   let width = bid.width || 1;
   let height = bid.height || 1;
   let dealId = bid.deal_id || '';
-  let creativeId = bid.imp_id;
+  let creativeId = bid.crid || '';
 
   if (bid.cpm != 0 && bid.ad) {
     bidResponse = {
-      requestId: bidderRequest.bids[creativeId].bidId,
+      requestId: bidderRequest.bids[bid.imp_id].bidId,
       cpm: bid.cpm,
       width: width,
       height: height,