v1(pr1110): Change default_comment_status to closed

[viktorix]

This changes a setting that gets loaded into the database when CP initially installs, so that comments are turned off by default, not on.

• https://github.com/ClassicPress/ClassicPress/pull/1110

[ClassyBot]

This issue has been mentioned on ClassicPress Forums. There might be relevant details there:

https://forums.classicpress.net/t/change-basic-settings-of-comment-options/2744/40