You have started using Configuration Drifts, created a new template and started detecting and remediating drifts successfully. However, after fixing all the detected drifts:
Aria Operations 8.18.5
vCenter 8.x
There is an issue in Aria Operations 8.18.5 where differences in Roles between the vCenter being evaluated and the template are not shown in the user interface.
This issue will be resolved in a future version of Aria Operations.