🐛 Fixing window reference for amp-ad type kargo (#30174)

* correcting window reference for amp-ad kargo

* changing window reference to global

(cherry picked from commit 95e9db0)

ads/kargo.js

@@ -45,9 +45,9 @@ export function kargo(global, data) {
     'kargo-load',
     function (done) {
       // load AdTag in Master window
-      loadScript(this, kargoScriptUrl, () => {
+      loadScript(global, kargoScriptUrl, () => {
         let success = false;
-        if (this.Kargo != null && this.Kargo.loaded) {
+        if (global.Kargo != null && global.Kargo.loaded) {
           success = true;
         }