overrideUrlLoading param added to chatbox

[victor-suri]

Sometimes, open the url in a browser is not the best option. For example: an OGG audio file has no player support in iOS browsers, so we could open a flutter dialog to play the file correctly (using a VLC player or other third party plugin). With the overrideUrlLoading param, we can add custom behavior to urls without affecting the natural flow.

The updates were basically in 3 places:

final Future<bool> Function(Uri uri)? overrideUrlLoading; // line 86 - the new optional widget param

// ...

this.overrideUrlLoading, // line 107 - the new optional widget param in constructor

// ...

// lines 260 to 276
var overridden = widget.overrideUrlLoading == null
            ? false
            : await widget.overrideUrlLoading!(navigationAction.request.url!);
        if (!overridden) {
          if (navigationAction.navigationType ==
              NavigationType.LINK_ACTIVATED) {
            if (await launchUrl(navigationAction.request.url!)) {
              // We launched the browser, so we don't navigate to the URL in the WebView
              return NavigationActionPolicy.CANCEL;
            } else {
              // We couldn't launch the external browser, so as a fallback we're using the default action
              return NavigationActionPolicy.ALLOW;
            }
          }
          return NavigationActionPolicy.ALLOW;
        }
        return NavigationActionPolicy.CANCEL;

All the other updates was just the VS Code formatOnSave editor setting in action.

[victor-suri]

Closing due to unnecessary number of lines changed