Add lazy loading to post avatars

Add lazy loading to post avatars

diff --git a/app/assets/javascripts/discourse/app/widgets/post.js b/app/assets/javascripts/discourse/app/widgets/post.js
index c7e3947..3f3a0ce 100644
--- a/app/assets/javascripts/discourse/app/widgets/post.js
+++ b/app/assets/javascripts/discourse/app/widgets/post.js
@@ -58,6 +58,7 @@ export function avatarImg(wanted, attrs) {
       src: getURLWithCDN(url),
       title,
       "aria-label": title,
+      loading: "lazy",
     },
     className,
   };

GitHub sha: c0cbfcc54870b75c610ea2f70ae04b01c7d56703

This commit appears in #14807 which was approved by eviltrout. It was merged by eviltrout.