Description of problem (please be detailed as possible and provide log
snippets):
[DR] Application are not getting DR protected 

VolumeReplicationGroup.ramendr.openshift.io
          "busybox-drpc" is invalid: spec.sync.mode: Unsupported value: "": supported


Version of all relevant components (if applicable):

ODF version:- full_version=4.10.0-151
OCP version:- 4.10.0-0.nightly-2022-02-10-161006

Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?
yes

Is there any workaround available to the best of your knowledge?


Rate from 1 - 5 the complexity of the scenario you performed that caused this
bug (1 - very simple, 5 - very complex)?
1

Can this issue reproducible?
yes

Can this issue reproduce from the UI?


If this is a regression, please provide more details to justify this:


Steps to Reproduce:
1. Deploy DR cluster 
2. Deploy DR Workload
3. check ramen logs 


Actual results:

2022-02-11T12:41:18.954Z	INFO	controllers.DRPlacementControl	util/mw_util.go:134	ManifestWork exists.	{"name": {"metadata":{"name":"busybox-drpc-2-busybox-workloads-2-vrg-mw","namespace":"vmware-dccp-one","creationTimestamp":null,"labels":{"app":"VRG"},"annotations":{"drplacementcontrol.ramendr.openshift.io/drpc-name":"busybox-drpc-2","drplacementcontrol.ramendr.openshift.io/drpc-namespace":"busybox-workloads-2"}},"spec":{"workload":{"manifests":[{"kind":"VolumeReplicationGroup","apiVersion":"ramendr.openshift.io/v1alpha1","metadata":{"name":"busybox-drpc-2","namespace":"busybox-workloads-2","creationTimestamp":null},"spec":{"pvcSelector":{"matchLabels":{"appname":"busybox"}},"replicationState":"primary","s3Profiles":["odr-s3secret-east","odr-s3secret-west"],"async":{"replicationClassSelector":{},"schedulingInterval":"5m","mode":"Enabled"},"sync":{"mode":""}},"status":{"lastUpdateTime":null}}]}},"status":{"resourceStatus":{}}}, "namespace": {"kind":"ManifestWork","apiVersion":"work.open-cluster-management.io/v1","metadata":{"name":"busybox-drpc-2-busybox-workloads-2-vrg-mw","namespace":"vmware-dccp-one","uid":"fd2ceb69-a246-4fb3-b34f-76fb78a262ac","resourceVersion":"362333","generation":1,"creationTimestamp":"2022-02-11T12:41:18Z","labels":{"app":"VRG"},"annotations":{"drplacementcontrol.ramendr.openshift.io/drpc-name":"busybox-drpc-2","drplacementcontrol.ramendr.openshift.io/drpc-namespace":"busybox-workloads-2"},"finalizers":["cluster.open-cluster-management.io/manifest-work-cleanup"],"managedFields":[{"manager":"manager","operation":"Update","apiVersion":"work.open-cluster-management.io/v1","time":"2022-02-11T12:41:18Z","fieldsType":"FieldsV1","fieldsV1":{"f:metadata":{"f:annotations":{".":{},"f:drplacementcontrol.ramendr.openshift.io/drpc-name":{},"f:drplacementcontrol.ramendr.openshift.io/drpc-namespace":{}},"f:labels":{".":{},"f:app":{}}},"f:spec":{".":{},"f:workload":{".":{},"f:manifests":{}}}}},{"manager":"work","operation":"Update","apiVersion":"work.open-cluster-management.io/v1","time":"2022-02-11T12:41:18Z","fieldsType":"FieldsV1","fieldsV1":{"f:status":{".":{},"f:conditions":{},"f:resourceStatus":{".":{},"f:manifests":{}}}}}]},"spec":{"workload":{"manifests":[{"kind":"VolumeReplicationGroup","apiVersion":"ramendr.openshift.io/v1alpha1","metadata":{"name":"busybox-drpc-2","namespace":"busybox-workloads-2","creationTimestamp":null},"spec":{"pvcSelector":{"matchLabels":{"appname":"busybox"}},"replicationState":"primary","s3Profiles":["odr-s3secret-east","odr-s3secret-west"],"async":{"replicationClassSelector":{},"schedulingInterval":"5m","mode":"Enabled"},"sync":{"mode":""}},"status":{"lastUpdateTime":null}}]}},"status":{"conditions":[{"type":"Applied","status":"False","observedGeneration":1,"lastTransitionTime":"2022-02-11T12:41:18Z","reason":"AppliedManifestWorkFailed","message":"Failed to apply manifest work"},{"type":"Available","status":"False","observedGeneration":1,"lastTransitionTime":"2022-02-11T12:41:18Z","reason":"ResourcesNotAvailable","message":"1 of 1 resources are not available"}],"resourceStatus":{"manifests":[{"resourceMeta":{"ordinal":0,"group":"ramendr.openshift.io","version":"v1alpha1","kind":"VolumeReplicationGroup","resource":"volumereplicationgroups","name":"busybox-drpc-2","namespace":"busybox-workloads-2"},"conditions":[{"type":"Applied","status":"False","lastTransitionTime":"2022-02-11T12:41:18Z","reason":"AppliedManifestFailed","message":"Failed to apply manifest: VolumeReplicationGroup.ramendr.openshift.io \"busybox-drpc-2\" is invalid: spec.sync.mode: Unsupported value: \"\": supported values: \"Enabled\", \"Disabled\""},{"type":"Available","status":"False","lastTransitionTime":"2022-02-11T12:41:18Z","reason":"ResourceNotAvailable","message":"Resource is not available"}]}]}}}}

Expected results:


Additional info: