OADP-3598: Update logic to wait for pull secret in pod restore plugin

[shubham-pampattiwar]

This PR updates the logic to check whether OpenShift Image Registry is enabled or not.

[openshift-ci-robot]

@shubham-pampattiwar: This pull request references OADP-3598 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the bug to target the "4.16.0" version, but no target version was set.

In response to [this](https://github.com/openshift/openshift-velero-plugin/pull/236): > Instructions for interacting with me using PR comments are available [here](https://prow.ci.openshift.org/command-help?repo=openshift%2Fopenshift-velero-plugin). If you have questions or suggestions related to my behavior, please file an issue against the [openshift-eng/jira-lifecycle-plugin](https://github.com/openshift-eng/jira-lifecycle-plugin/issues/new) repository.

[shubham-pampattiwar]

Testing on OCP 4.14.z with registry enabled:

Defaulted container "velero" out of: velero, openshift-velero-plugin (init), velero-plugin-for-aws (init), velero-plugin-for-csi (init)
time="2024-03-15T16:12:52Z" level=info msg="shubham imageRegistryEnabled: true" cmd=/plugins/velero-plugins logSource="/opt/app-root/src/github.com/konveyor/openshift-velero-plugin/velero-plugins/pod/restore.go:333" pluginName=velero-plugins restore=openshift-adp/testnsbackup-1-20240315091156
time="2024-03-15T16:12:52Z" level=info msg="shubham majorVersionInt: 4, minorVersionInt: 14" cmd=/plugins/velero-plugins logSource="/opt/app-root/src/github.com/konveyor/openshift-velero-plugin/velero-plugins/pod/restore.go:340" pluginName=velero-plugins restore=openshift-adp/testnsbackup-1-20240315091156
time="2024-03-15T16:12:52Z" level=info msg="shubham WaitForPullSecrets: true" cmd=/plugins/velero-plugins logSource="/opt/app-root/src/github.com/konveyor/openshift-velero-plugin/velero-plugins/pod/restore.go:215" pluginName=velero-plugins restore=openshift-adp/testnsbackup-1-20240315091156
shubham@fedora ~/oadp-operator -  (master) $ oc version
Client Version: 4.14.7
Kustomize Version: v5.0.1
Server Version: 4.14.11
Kubernetes Version: v1.27.10+28ed2d7

Testing on OCP 4.15.z with registry disabled:

shubham@fedora ~/oadp-operator -  (master) $ oc logs velero-85c64d7f8c-wnkx6 | grep shubham
Defaulted container "velero" out of: velero, openshift-velero-plugin (init), velero-plugin-for-aws (init), velero-plugin-for-csi (init)
time="2024-03-15T16:15:56Z" level=info msg="shubham imageRegistryEnabled: false" cmd=/plugins/velero-plugins logSource="/opt/app-root/src/github.com/konveyor/openshift-velero-plugin/velero-plugins/pod/restore.go:333" pluginName=velero-plugins restore=openshift-adp/testnsbackup-1-20240315091555
time="2024-03-15T16:15:56Z" level=info msg="shubham majorVersionInt: 4, minorVersionInt: 15" cmd=/plugins/velero-plugins logSource="/opt/app-root/src/github.com/konveyor/openshift-velero-plugin/velero-plugins/pod/restore.go:340" pluginName=velero-plugins restore=openshift-adp/testnsbackup-1-20240315091555
time="2024-03-15T16:15:56Z" level=info msg="shubham WaitForPullSecrets: false" cmd=/plugins/velero-plugins logSource="/opt/app-root/src/github.com/konveyor/openshift-velero-plugin/velero-plugins/pod/restore.go:215" pluginName=velero-plugins restore=openshift-adp/testnsbackup-1-20240315091555
shubham@fedora ~/oadp-operator -  (master) $ oc version
Client Version: 4.14.7
Kustomize Version: v5.0.1
Server Version: 4.15.0
Kubernetes Version: v1.28.6+6216ea1
shubham@fedora ~/oadp-operator -  (master) $ 

[openshift-ci-robot]

@shubham-pampattiwar: This pull request references OADP-3598 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the bug to target the "4.16.0" version, but no target version was set.

In response to [this](https://github.com/openshift/openshift-velero-plugin/pull/236): >This PR updates the logic to check whether OpenShift Image Registry is enabled or not. Instructions for interacting with me using PR comments are available [here](https://prow.ci.openshift.org/command-help?repo=openshift%2Fopenshift-velero-plugin). If you have questions or suggestions related to my behavior, please file an issue against the [openshift-eng/jira-lifecycle-plugin](https://github.com/openshift-eng/jira-lifecycle-plugin/issues/new) repository.

[openshift-ci[bot]]

@shubham-pampattiwar: all tests passed!

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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. I understand the commands that are listed [here](https://go.k8s.io/bot-commands).

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: shubham-pampattiwar, sseago, weshayutin

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/openshift/openshift-velero-plugin/blob/master/OWNERS)~~ [shubham-pampattiwar,sseago] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[shubham-pampattiwar]

/cherry-pick oadp-1.3

[openshift-cherrypick-robot]

@shubham-pampattiwar: once the present PR merges, I will cherry-pick it on top of oadp-1.3 in a new PR and assign it to you.

In response to [this](https://github.com/openshift/openshift-velero-plugin/pull/236#issuecomment-2004721211): >/cherry-pick oadp-1.3 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-cherrypick-robot]

@shubham-pampattiwar: new pull request created: #237

In response to [this](https://github.com/openshift/openshift-velero-plugin/pull/236#issuecomment-2004721211): >/cherry-pick oadp-1.3 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.