Issue #3044649 by phenaproxima, seanB, Wim Leers, alexpott: Delegate media...
Issue #3044649 by phenaproxima, seanB, Wim Leers, alexpott: Delegate media library selection handling to the "thing" that opened the library
(cherry picked from commit ca0ac736)
@trigger_error('The media_library.opener_resolver service must be passed to AddFormBase::__construct(), it is required before Drupal 9.0.0.',E_USER_DEPRECATED);