BREAKING CHANGE(recorder): Remove FFmpeg-based MP4 conversion; simplify recorder/export to WebM and improve recorder/editor robustness

ts_web/elements/wcc-sidebar.ts

@@ -333,5 +333,9 @@ export class WccSidebar extends DeesElement {
     );
 
     this.dashboardRef.buildUrl();
+
+    // Force re-render to update demo child selection indicator
+    // (needed when switching between demos of the same element)
+    this.requestUpdate();
   }
 }