[tracing] Fix privacy filter toggle in chrome://traces-internals

Change-Id: Idd414a6fa631a01b19f13651f3d3b24253133312
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6299602
Reviewed-by: Alex Attar <aattar@google.com>
Commit-Queue: Etienne Pierre-Doray <etiennep@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1424761}

content/browser/resources/traces_internals/tracing_scenarios_config.ts

@@ -130,12 +130,12 @@ export class TracingScenariosConfigElement extends CrLitElement {
     this.isLoading_ = false;
   }
 
-  protected async privacyFilterDidChange_(event: CustomEvent<{value: boolean}>):
+  protected async privacyFilterDidChange_(event: CustomEvent<boolean>):
       Promise<void> {
-    if (this.privacyFilterEnabled_ === event.detail.value) {
+    if (this.privacyFilterEnabled_ === event.detail) {
       return;
     }
-    this.privacyFilterEnabled_ = event.detail.value;
+    this.privacyFilterEnabled_ = event.detail;
     await this.traceReportProxy_.handler.setPrivacyFilterEnabled(
         this.privacyFilterEnabled_);
   }