Revisit Entity CSV export

[ktuite]

There's a version of this that exists already, but we should enhance it so it's more distinct from the csv form attachment entity export.

• GET /v1/projects/:projectId/datasets/:name/entities.csv
• Move this in the documentation from Download Dataset to Entity Export
• Change it to export all the data present in the odata entity feed
  • Data + system data

[sadiqkhoja]

from #803:

Eventually test that it IS included in the entity export? Or can be included? In the same way deleted submissions can be included?

[sadiqkhoja]

Add condition to filter out deleted entities

[matthew-white]

I think the QA team should take a look at this one. @sadiqkhoja, would you mind adding a little more context for the QA team so that they know what's expected?

[sadiqkhoja]

How to test this:

• Export the Entity CSV from the Central by clicking Download N Entities
• In the downloaded CSV file, you should see following columns with their correct values
  • __id
  • label
  • [user-define properties]
  • ...
  • __createdAt
  • __creatorId
  • __creatorName
  • __updates
  • __updatedAt

[dbemke]

Tested with success!