How to open urls using addon for Thunderbird 68 in external browsers instead of built-in browser?

Question

In Thunderbird 68 while developing addon using webextensions, it has been observed that messenger.launchExternalURL is not supported anymore, and the equivalent option in Webextensions is to use browser.tabs.create. But, the problem with browser.tabs.create is; it opens the link within Thunderbird itself as a new tab instead of opening the link in external browser (like Firefox, Safari or Chrome).

Following function opened the links in external browser in Thunderbird versions < 68:

      messenger.launchExternalURL(baseURL);

Where as the following opens the links in tab within Thunderbird itself, in Thunderbird versions >=68:

      var creating = browser.tabs.create({
          url:baseURL
      });
      creating.then(onCreated, onError);

So, requesting information on how make addon in Thunderbird 68+ to open links in external browser instead of built-in Thunderbird browser.

Answer 1

It might be easier to install an AddOn for this: https://addons.thunderbird.net/en-US/thunderbird/addon/open-with/?src=search