Bug 1704569 - Don't synthesize events on menus in...

Bug 1704569 - Don't synthesize events on menus in browser/modules/test/browser/browser_UsageTelemetry_interaction.js. r=Gijs

Differential Revision: https://phabricator.services.mozilla.com/D111680

browser/modules/test/browser/browser_UsageTelemetry_interaction.js

@@ -186,7 +186,7 @@ add_task(async function contextMenu() {
     await shown;
 
     let hidden = BrowserTestUtils.waitForEvent(context, "popuphidden");
-    click("context_toggleMuteTab");
+    context.activateItem(document.getElementById("context_toggleMuteTab"));
     await hidden;
 
     assertInteractionScalars({