title: Links in WebView not opening in browser
body: <p>I am opening a URL in WebView and and that is loading fine.  I've created a menu item in the AppBar with a URL that I want to open in the default browser.  The link appears but when I click on the link I get a E/flutter ( 6039) error and nothing happens.  I'm not sure why it's not opening in the browser.  Any thoughts?</p>
  <p>Here's the relevant menu.dart code:</p>
  <pre><code>          onSelected: (value) async {
              switch (value) {
                case _MenuOptions.navigationDelegate:
                  controller.data!.loadUrl('https://mywebsite.com/shop/');
                  break;
              }
            },
            itemBuilder: (context) =&gt; [
              const PopupMenuItem&lt;_MenuOptions&gt;(
                value: _MenuOptions.navigationDelegate,
                child: Text('Buy Stuff Online'),
  </code></pre>
  <p>In my web_view_stack.dart file I added the following:</p>
  <pre><code>_launchURL(String url) async {
    const url = 'https://mywebsite.com';
    if (await canLaunch(url)) {
      await launch(url);
    } else {
      throw 'Could not launch $url';
    }
  }
  
  </code></pre>
  <p>If I need to include the entire files I could but I think those are the relevant parts.  Not sure what I'm missing and any tips would be appreciated.  Thanks!</p>