In the Reports, the "DisplayName" of a user is being exported to CSV as "name" or "key"

Short Description: In the Reports, the "DisplayName" of a user is being exported to CSV as "name" or "key".

Steps to Reproduce:
1 - Navigate to the Test Runs List report
2 - Generate a report that has an executed by, for example
3 - Export the CSV

Actual result: The name showed in the screen is the displayName of the user while in the csv is either the name or key of the user.
Expected result: The name in the report should be the displayName.