Edit configuration object: system.theme.global

"""
_core:\n
  default_config_hash: 9rAU4Pku7eMBQxauQqAgjzlcicFZ2As6zEa6zvTlCB8\n
favicon:\n
  mimetype: image/vnd.microsoft.icon\n
  path: ''\n
  url: ''\n
  use_default: true\n
features:\n
  comment_user_picture: true\n
  comment_user_verification: true\n
  favicon: true\n
  node_user_picture: true\n
logo:\n
  path: ''\n
  url: ''\n
  use_default: true\n
"""