Description of problem:

Since LUN type is greyed out from UI in OCP version 4.10 and 4.12, we are not able to select LUN type with SCSI interface when adding hotplug

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Create PVC from SAN CSI storageclass
2. Select add button for disk from running VM
3. Select existing PVC, select LUN type and SCSI interface from hotplug

Actual results:

LUN type is greyed out from UI

Expected results:

Selected LUN type and SCSI interface PVC added into running VM

Additional info: