message: Updated GraphRequest.ts for .count() scenario
  Updated GraphRequest.ts to handle .count() when no parameter is specified
diff: @@ -489,7 +489,7 @@ export class GraphRequest {
  * @param {boolean} isCount - The count boolean
  * @returns The same GraphRequest instance that is being called with
  */
  - public count(isCount: boolean): GraphRequest {
  + public count(isCount: boolean = false): GraphRequest {
  this.urlComponents.oDataQueryParams.$count = isCount.toString();
  return this;
  }
  