Export CSV retrieving all field in new issue search

Issue Summary

Even choosing only certain fields on the new issue view, when you export it on CSV it brings all existing fields.

Steps to Reproduce

1. Perform a JQL on the new issue search
2. Select the desired fields by configuring the columns
3. Click on Export CSV (all fields)

Expected Results

A file with the fields configured as columns.

Actual Results

A file with all existing fields.

Workaround

Switch to the old issue search to select the fields. Unfortunately, some customers don't see the option to switch to the old issue search.