put disableRestorePagesPrompt back in promise list in browser open

packages/server/lib/browsers/chrome.ts

@@ -510,16 +510,13 @@ export = {
       launchOptions.preferences = _mergeChromePreferences(preferences, launchOptions.preferences as ChromePreferences)
     }
 
-    const p = _disableRestorePagesPrompt(userDir)
-
-    debug(p)
-    await p
     const [extDest] = await Bluebird.all([
       this._writeExtension(
         browser,
         options,
       ),
       _removeRootExtension(),
+      _disableRestorePagesPrompt(userDir),
       // Chrome adds a lock file to the user data dir. If we are restarting the run and browser, we need to remove it.
       fs.unlink(path.join(userDir, 'SingletonLock')).catch(() => {}),
       _writeChromePreferences(userDir, preferences, launchOptions.preferences as ChromePreferences),