Filter: get_blogs_of_user

Replicates the original WP Filter here, for good measure.

Filters the list of sites a user belongs to.

Parameters

Name	Type	Description
$sites	`object[]`	An array of site objects belonging to the user.
$user_id	`int`	User ID.
$all	`bool`	Whether the returned sites array should contain all sites, including those marked 'deleted', 'archived', or 'spam'. Default false.