[wp-trac] [WordPress Trac] #42015: Ensure `wp_get_users_with_no_role()` returns the correct users when `$site_id` is passed

[WordPress Trac]

#42015: Ensure `wp_get_users_with_no_role()` returns the correct users when
`$site_id` is passed
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 Reporter:  flixos90         |      Owner:
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  4.9
Component:  Role/Capability  |    Version:
 Severity:  normal           |   Keywords:  needs-patch needs-unit-tests
  Focuses:  multisite        |
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 When passing the `$site_id` parameter to `wp_get_users_with_no_role()`, it
 still takes the roles from the current site and creates the regular
 expression based on those, causing possibly incorrect return values.

 With the changes introduced in [41625], it is possible to easily switch
 the roles object over temporarily with `wp_roles->for_site( $site_id )`.
 This can be leveraged here to fix the bug in this function.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42015>
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