rbd: fix bug in rbdVol.Exists() in PVC-PVC clone case (backport #5159)

[mergify]

Describe what this PR does

This commit fixes a bug in rbdVol.Exists() which caused VolID not to be set in PVC-PVC clone case.

Is there anything that requires special attention

Do you have any questions?
No

Is the change backward compatible?
Yes

Are there concerns around backward compatibility?
No

Checklist:

• Commit Message Formatting: Commit titles and messages follow
  guidelines in the developer
  guide.
• Reviewed the developer guide on Submitting a Pull
  Request
• Pending release
  notes
  updated with breaking and/or notable changes for the next major release.
• Documentation has been updated, if necessary.
• Unit tests have been added, if necessary.
• Integration tests have been added, if necessary.

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---

This is an automatic backport of pull request #5159 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of b05d467 has failed:

On branch mergify/bp/release-v3.13/pr-5159
Your branch is up to date with 'origin/release-v3.13'.

You are currently cherry-picking commit b05d4676.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   internal/rbd/rbd_journal.go

no changes added to commit (use "git add" and/or "git commit -a")

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[nixpanic]

@Rakshith-R can you check this backport and fixup the conflicts?

[ceph-csi-bot]

/test ci/centos/upgrade-tests-cephfs

[ceph-csi-bot]

/test ci/centos/k8s-e2e-external-storage/1.30

[ceph-csi-bot]

/test ci/centos/upgrade-tests-rbd

[ceph-csi-bot]

/test ci/centos/mini-e2e-helm/k8s-1.30

[ceph-csi-bot]

/test ci/centos/k8s-e2e-external-storage/1.29

[ceph-csi-bot]

/test ci/centos/mini-e2e/k8s-1.30

[ceph-csi-bot]

/test ci/centos/mini-e2e-helm/k8s-1.29

[ceph-csi-bot]

/test ci/centos/k8s-e2e-external-storage/1.31

[ceph-csi-bot]

/test ci/centos/mini-e2e/k8s-1.29

[ceph-csi-bot]

/test ci/centos/mini-e2e-helm/k8s-1.31

[ceph-csi-bot]

/test ci/centos/mini-e2e/k8s-1.31