* when there is no div for it, don't render CommentSubscription
* Retrigger CI
* Retrigger CI
* don't write an error to the comment div if its gone
This fixes an issue seen in tests, where the page transitioned while
we were running the articlePage async handler, so the article-body
element was gone (can't access dataset of null), and the error handler
catch block tried to access the innerHTML of another getElementById.
* Use existing found element `root` when setting the error message
No need to find a new comment-subscription div to write the error to,
we already named the one we're interested in at the beginning of the function