Description of problem:

Appliance mode fresh deployment addon status of provider is failed

Version-Release number of selected component (if applicable):
v2.0.4


How reproducible:
2/2

Steps to Reproduce:
1. Deploy appliance mode provider with a
2.
3.

Actual results:Addon install status is Failed


Expected results: provider Addon should get installed successfully and have status ready 


Additional info:

root cause analyzed and discussed in gchat thread https://chat.google.com/room/AAAASHA9vWs/LkLDLWdnKAo

2022-07-26T12:10:19.923Z    ERROR    controllers.ManagedOCS    An error was encountered during reconcilePhases    {"error": "Failed to update Prometheus: Prometheus.monitoring.coreos.com \"managed-ocs-prometheus\" is invalid: spec.remoteWrite.oauth2.tokenUrl: Invalid value: \"\": spec.remoteWrite.oauth2.tokenUrl in body should be at least 1 chars long"}
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).reconcileHandler
    /tmp/go/ocs-osd-deployer/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:298
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem
    /tmp/go/ocs-osd-deployer/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:253
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2.2
    /tmp/go/ocs-osd-deployer/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:214
2022-07-26T12:10:19.930Z    ERROR    controller-runtime.manager.controller.managedocs    Reconciler error    {"reconciler group": "ocs.openshift.io", "reconciler kind": "ManagedOCS", "name": "managedocs", "namespace": "openshift-storage", "error": "Failed to update Prometheus: Prometheus.monitoring.coreos.com \"managed-ocs-prometheus\" is invalid: spec.remoteWrite.oauth2.tokenUrl: Invalid value: \"\": spec.remoteWrite.oauth2.tokenUrl in body should be at least 1 chars long"}
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem
    /tmp/go/ocs-osd-deployer/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:253
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2.2
    /tmp/go/ocs-osd-deployer/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:214