Bug 1838190 - Discover feed icon at site index page as well. r=freaktechnik

Differential Revision: https://phabricator.services.mozilla.com/D181019

--HG--
extra : moz-landing-system : lando

mailnews/extensions/newsblog/FeedUtils.jsm

@@ -994,6 +994,7 @@ var FeedUtils = {
       .then(blobToBase64)
       .catch(e => {
         return discoverFaviconURL(url)
+          .catch(() => discoverFaviconURL(uri.prePath))
           .then(fetchFavicon)
           .then(blobToBase64)
           .catch(() => "");