osa create cluster --cluster-name $CLUSTER_NAME --sts --mode auto --machine-cidr 10.0.0.0/16 --compute-machine-type m6a.xlarge --region $REGION --oidc-config-id $OIDC_ID --channel-group nightly --version 4.16.0-0.nightly-2024-05-19-235324 --ec2-metadata-http-tokens optional --replicas 2 --service-cidr 172.30.0.0/16 --pod-cidr 10.128.0.0/14 --host-prefix 23 -y    

1. Run the command provided above to create a cluster.Observe the error during the IAM role creation step.
2. Observe the error during the IAM role creation step.

time="2024-05-20T03:21:03Z" level=error msg="failed to fetch Cluster: failed to generate asset \"Cluster\": failed to create cluster: failed during pre-provisioning: failed to create IAM roles: failed to create inline policy for role master: AccessDenied: User: arn:aws:sts::890193308254:assumed-role/ManagedOpenShift-Installer-Role/1716175231092827911 is not authorized to perform: iam:PutRolePolicy on resource: role ManagedOpenShift-ControlPlane-Role because no identity-based policy allows the iam:PutRolePolicy action\n\tstatus code: 403, request id: 27f0f631-abdd-47e9-ba02-a2e71a7487dc"
time="2024-05-20T03:21:04Z" level=error msg="error after waiting for command completion" error="exit status 4" installID=wx9l766h
time="2024-05-20T03:21:04Z" level=error msg="error provisioning cluster" error="exit status 4" installID=wx9l766h
time="2024-05-20T03:21:04Z" level=error msg="error running openshift-install, running deprovision to clean up" error="exit status 4" installID=wx9l766h
time="2024-05-20T03:21:04Z" level=debug msg="OpenShift Installer v4.16.0

The cluster should be created successfully without IAM permission errors.

- The IAM role ManagedOpenShift-Installer-Role does not have the necessary permissions to perform iam:PutRolePolicy on the ManagedOpenShift-ControlPlane-Role.

- This issue was observed with the nightly build 4.16.0-0.nightly-2024-05-19-235324.