On the document view, list all the Named Entities, including the custom ones

[annelhote]

If a user adds its own NE with their own categories, it would like to see them in the "Named Entities" tab of the document.

[bamthomas]

see if there are some impacts on the back (deserialization) as named entities types are an Enum

[Soliine]

It is not currently possible but could be possible after we do lazy loading of Extracted Text: https://github.com/ICIJ/datashare/issues/767

[pirhoo]

We decided not to include named entities in the extracted text anymore.