bp_blogs_record_existing_blogs() is not network-aware

[boonebgorges]

When running a BP Multi Network setup, bp_blogs_record_existing_blogs() incorrectly records all blogs from the entire installation, regardless of site_id. This breaks multi-network setups, since all sites show on all site directories.

The answer is to change the blogs query to:

$blog_ids = $wpdb->get_col( $wpdb->prepare( "SELECT blog_id FROM {$wpdb->base_prefix}blogs WHERE mature = 0 AND spam = 0 AND deleted = 0 AND site_id = '{$wpdb->siteid}'" ) );

[johnjamesjacoby]

This looks good to me.

[johnjamesjacoby]

(In [6299]) Blogs:

• Only populate blogs table with blogs from the current site_id.
• Fixes issues with multi-network installations.
• Props boonebgorges.
• Fixes #4337.