Merged PR 225861: [Storytelling] - #619441 - modify window.powerbi object, avoid name collision

Modify window.powerbi object, in order to avoid name collision

Related work items: #619441

Author: Andriy Malish

dist/powerbi-client.d.ts

@@ -2771,6 +2771,7 @@ declare module "powerbi-client" {
     global {
         interface Window {
             powerbi: service.Service;
+            powerBISDKGlobalServiceInstanceName?: string;
         }
     }
 }