On the Jakarta release of the platform the System Export Set > Export Definition there is a preview feature that in previously releases gives the end user access to the table content menu.
Steps to Reproduce
1. Make sure List V3 plugin is enabled in the instance
2. Navigate to Export Definitions module
3. Select a record
4. Click the Preview UI Action
5. Attempt to access the context menu usually available to table
After carefully considering the severity and frequency of the issue, and risk of attempting a fix, it has been decided to not address this issue in any current or future releases. We do not make this decision lightly, and we apologize for any inconvenience. If you have any questions regarding this problem, contact ServiceNow Customer Support.
Related Problem: PRB1237002