Description of problem: Text "Virtualization" missing in overview page

Version-Release number of selected component (if applicable):
OpenShift Virtualization 4.12.1 on OpenShift 4.12.5

How reproducible: no idea, just tried a single cluster

Steps to Reproduce:
1. Install OpenShift Virtualization
2. Create a hyperconvered intance

Actual results: Text "Virtualization" missing in overview page

Expected results: Text "Virtualization" shown in overview page