Description of problem:

After setting AWS EBS ClusterCSIDriver to `managementState: Unmanaged`, the operator still re-creates the driver's CredentialsRequest.

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

4.20.0-0.nightly-2025-07-01-051543

How reproducible: always

Steps to Reproduce:

1. Set the ClusterCSIDriver managementState: Unmanaged
2. Delete the CredentialsRequest

Actual results:

The CredentialsRequest is re-created

Expected results:

CredentialsRequest is still deleted.