refactor: remove menu-will-close / setTimeout workaround (#18582)

lib/browser/devtools.js

@@ -69,14 +69,7 @@ ipcMainUtils.handle('ELECTRON_INSPECTOR_CONTEXT_MENU', function (event, items, i
     const menu = Menu.buildFromTemplate(template)
     const window = event.sender.getOwnerBrowserWindow()
 
-    menu.once('menu-will-close', () => {
-      // menu-will-close is emitted before the click handler, but needs to be sent after.
-      // otherwise, DevToolsAPI.contextMenuCleared() would be called before
-      // DevToolsAPI.contextMenuItemSelected(id) and the menu will not work properly.
-      setTimeout(() => resolve())
-    })
-
-    menu.popup({ window })
+    menu.popup({ window, callback: () => resolve() })
   })
 })