The 'Mine' filter on single-post comments should be filtered using $post_id

[garrett-eclipse]

As @matt flagged here - ​https://wordpress.slack.com/archives/C02RQBWTW/p1547663425204000

The comment count beside the 'Mine' filter is incorrect when on the single-post view (i.e. edit-comments.php?p=####&comment_status=approved) as it doens't account for the $post_id from the view.

This was introduced to trunk in ticket #42379

If $post_id is set in the get_views function then it should be used to create the mine count when calling get_comments here;
https://core.trac.wordpress.org/browser/trunk/src/wp-admin/includes/class-wp-comments-list-table.php?rev=42684#L280

This can be fixed by passing $post_id as an arg to the get_comments call.

[chetan200891]

Created patch to pass $post_id as an arg to the get_comments call.

[garrett-eclipse]

Thanks @chetan200891 just wondering in the case $post_id isn't set should it be excluded from the arguments or would that matter.

[pento]

In 44631:

Comments: Correct the "Mine" comment count when viewing comments for a particular post.

The count should only be comments made on that post by the current user, not all comments by them.

Props chetan200891, garrett-eclipse.
Fixes #46014.