[GM3Restyling] Use native menu in Performance Network chart

Screenshot: https://imgur.com/a/UmSc9MZ

Bug: 378634065
Change-Id: Iad0bafdf7384d2584c242a695733eadfc75a52a2
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6048835
Reviewed-by: Kim-Anh Tran <[email protected]>
Commit-Queue: Kateryna Prokopenko <[email protected]>
Auto-Submit: Kateryna Prokopenko <[email protected]>
Commit-Queue: Kim-Anh Tran <[email protected]>

Author: Kateryna Prokopenko

front_end/panels/timeline/TimelineFlameChartNetworkDataProvider.ts

@@ -135,7 +135,7 @@ export class TimelineFlameChartNetworkDataProvider implements PerfUI.FlameChart.
       return;
     }
     const timelineNetworkRequest = TimelineUtils.NetworkRequest.createTimelineNetworkRequest(networkRequest);
-    const contextMenu = new UI.ContextMenu.ContextMenu(event, {useSoftMenu: true});
+    const contextMenu = new UI.ContextMenu.ContextMenu(event);
     contextMenu.appendApplicableItems(timelineNetworkRequest);
     return contextMenu;
   }