Merged PR 183663: Add renderingStarted event

Add loadingScreenHidden event
Mirror one [external PR](#365 (comment)).
Update powerbi-models version.

Author: Shahak Yosef

dist/powerbi.js

@@ -64,7 +64,7 @@ export interface IReportNode {
  */
 export class Report extends Embed implements IReportNode, IFilterable {
   /** @hidden */
-  static allowedEvents = ["filtersApplied", "pageChanged", "commandTriggered", "swipeStart", "swipeEnd", "bookmarkApplied", "dataHyperlinkClicked", "visualRendered", "visualClicked", "selectionChanged"];
+  static allowedEvents = ["filtersApplied", "pageChanged", "commandTriggered", "swipeStart", "swipeEnd", "bookmarkApplied", "dataHyperlinkClicked", "visualRendered", "visualClicked", "selectionChanged", "renderingStarted"];
   /** @hidden */
   static reportIdAttribute = 'powerbi-report-id';
   /** @hidden */

dist/powerbi.min.js

@@ -174,7 +174,7 @@ export async function isSavedInternal(hpm: HttpPostMessage, uid: string, content
  * @returns {boolean}
  */
 export function isRDLEmbed(embedUrl: string): boolean {
-  return embedUrl.toLowerCase().indexOf("/rdlembed?") >= 0;
+  return embedUrl && embedUrl.toLowerCase().indexOf("/rdlembed?") >= 0;
 }
 
 /**