How to reproduce:

• Have a content type with
  • an enumerated attribute
  • a property referencing this attribute
• Create a content of this type
  • Put a value for the enumerated attribute
• Make a solr search to retrieve the created content
  • Add the property and the attribute in columns
  • For the attribute, the value displayed is the label of the enumeration entry (after CMS-11457 fix) => OK
  • For the property, the value displayed is the value of the enumeration entry => KO
• Export this search in doc
  • For the attribute, the value displayed is the label of the enumeration entry => OK
  • For the property, the value displayed is the value of the enumeration entry => KO
• Export tje search as XML
  • For the attribute, there is an XML attribute with the value and the content of the XML element is the label of the enumeration entry => OK
  • For the property, there is no XML attribute with the value and the content of the XML element is the value of the enumeration entry => KO