Description of problem: 

Installed OADP 1.2.0 from operatorHub with monitoring enabled. When I looked at prometheus targets I didn't find velero SVC IP mentioned over there.
After debugging we found that the namespace is missing label related to monitoring. 

Version-Release number of selected component (if applicable):
OADP 1.2.0 - 63

How reproducible:

Always

Steps to Reproduce:
1. Delete openshift-adp namespace if it exists.
2. Go to operatorHub and search for OADP. 
3. Select on enable monitoring option and Install OADP.

Actual results:

Monitoring is not enabled even though the checkbox is selected.

Expected results:

Monitoring should be enabled.

Additional info:
I observed monitoring related label gets removed after few seconds, when it adds this privileged labels.

It's only happening with downstream builds.
Slack discussion:- https://redhat-internal.slack.com/archives/C02EL5R9C3B/p1682520213153359