split AnonymizedFieldTypeNames

[jo-pol]

What this PR does / why we need it:

Which issue(s) this PR closes:

• Closes #

Special notes for your reviewer:

Suggestions on how to test this:

• Set the database setting like this (note the comma's without spaces):

  curl -X PUT -d "author,datasetContact,contributor,depositor,grantNumber,publication,distributor,producer" http://localhost:8080/api/admin/settings/:AnonymizedFieldTypeNames
  

• Create a draft dataset and request an anonymized preview URL.

• Log out

• Try the URL

Before applying the change, no fields are withheld, after the deploy fields we get the expected behavior

Does this PR introduce a user interface change? If mockups are available, please link/include them here:

Is there a release notes update needed for this change?:

Additional documentation:

[coveralls]

coverage: 23.552%. remained the same
when pulling 9008d56 on DANS-KNAW-jp:split-AnonymizedFieldTypeNames
into 195a584 on IQSS:develop.