* Let the user see their own username when viewing their own deleted comments.
* Don't hide the creator_id field from the comment creator in the API.
* Hide the score, do_not_bump_post, and is_sticky fields for deleted
comments in the HTML and in the API, unless the user is a moderator.
* Hide the "..." popup menu on deleted comments, unless the user is a moderator.
This is so that when a user looks at their own comment history, their
name isn't hidden from them on their own deleted comments. This may confuse
users however into thinking their name is still visible to other users.
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