Upload file in collectory data resource resets the identifier to occurrenceID

[patkyn]

Uploadi file in collectory data resource In the connection parameter, overwrites existing identifier other than occurrenceID.
Steps to reproduce:

1. Select an existing data resource in collections-test.ala.org.au for example https://collections-test.ala.org.au/dataResource/show/dr11101.
2. In connection parameter section, the current identifier is 'catalogNumber'
3. Click on Upload a data file. On the Upload file, select a file to upload. Leave the identifier field empty and click on Upload button.
4. The upload window closes and the connection parameter url is updated. However, the identifier is reset to occurrenceID.

[patkyn]

Also happens with Incremental Load flag