Jira Workflow Toolbox custom fields are not being exported when exporting in bulk mode

Description

Jira Workflow Toolbox custom fields are not being exported when exporting in bulk mode

How to reproduce

1. Create a custom field of the JWT type (number or Text)
2. Add it to some issues
3. Go to issue navigator and generate a group of issues that have that custom field on the screen
4. Generate the report

Actual result/Attachments

Expected result
The Document should be generated with information regarding that field

Version

• 6.9.9