MGMT-15198: Change NewFeatureSupportLevels to FeatureSupportLevels

[ammont82]

Related to https://issues.redhat.com/browse/MGMT-15198

[openshift-ci-robot]

@ammont82: This pull request references MGMT-15198 which is a valid jira issue.

In response to [this](https://github.com/openshift-assisted/assisted-installer-ui/pull/2272): >Related to https://issues.redhat.com/browse/MGMT-15198 > Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: ammont82

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[openshift-merge-robot]

PR needs rebase.

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[ammont82]

We will change the code in https://issues.redhat.com/browse/MGMT-15774.  It's not necessary to make these changes now