ZetaGlobalSsp adapter: merge ortb2.site and params.site (prebid#11773)

* ZetaGlobalSsp adapter: merge params.site and ortb2.site

* fix unit test

* extract buildVideo into utils

* Revert "extract buildVideo into utils"

This reverts commit a075583.

---------

Co-authored-by: Surovenko Alexey <surovenko.alexey@gmail.com>
Co-authored-by: Alexey Surovenko <ASurovenko@vdhk6ddf9m.home>

modules/zeta_global_sspBidAdapter.js

@@ -128,8 +128,8 @@ export const spec = {
       id: bidderRequest.bidderRequestId,
       cur: [DEFAULT_CUR],
       imp: imps,
-      site: params.site ? params.site : {},
-      device: {...(bidderRequest.ortb2?.device || {}), ...params.device},
+      site: {...bidderRequest?.ortb2?.site, ...params?.site},
+      device: {...bidderRequest?.ortb2?.device, ...params?.device},
       user: params.user ? params.user : {},
       app: params.app ? params.app : {},
       ext: {

test/spec/modules/zeta_global_sspBidAdapter_spec.js

@@ -132,6 +132,9 @@ describe('Zeta Ssp Bid Adapter', function () {
     userIdAsEids: eids,
     timeout: 500,
     ortb2: {
+      site: {
+        inventorypartnerdomain: 'disqus.com'
+      },
       device: {
         sua: {
           mobile: 1,
@@ -709,4 +712,12 @@ describe('Zeta Ssp Bid Adapter', function () {
     expect(payload.ext.tags.nullTag).to.be.undefined;
     expect(payload.ext.tags.complexEmptyTag).to.be.undefined;
   });
+
+  it('Test that site payload param are merged from ortb2 and params', function () {
+    const request = spec.buildRequests(bannerRequest, bannerRequest[0]);
+    const payload = JSON.parse(request.data);
+
+    expect(payload.site.page).to.eql('zetaglobal.com/page');
+    expect(payload.site.inventorypartnerdomain).to.eql('disqus.com');
+  });
 });