Unexpected Null Values Returned when Using the "Download Workbook Revision" Event from the TS_Events datsource as a Filter in a View

In Tableau Cloud's Admin Insights, creating a view using the "Download Workbook Revision" event from the TS_Events datasource results in unexpected null values returned when the event is used as a filter.

1. Go to Admin Insights.
2. Create a new workbook using TS_Events as the datasource.
3. Drag item id, item name, workbook name, Actor user id, actor user name, event date to the rows shelf.
4. Drag the "Event name" to the filters and select "Download workbook revision".
5. Click Apply and OK.
6. The item id and item name fields show null values.

TS Events Data Source

Admin Insights