workaround.yml

  'content_access_settings/view':
    -
      plugin: get
      source:
        - '@content_access_view_legacy_unblock'
        - '@content_access_view_wpmem_block'
        - '@default_content_access_view'
    -
      # Filter out empty sources
      plugin: callback
      callable: array_filter
    -
      # Use the first none empty source
      plugin: callback
      callable: 'current'