当在 OpenShift 4 中存在 CatalogSource 时，无法升级 Operator，并显示错误 "Cannot update:CatalogSource was removed"

Issue

• 当存在 CatalogSource 时，operator 的状态会显示为 "Cannot update" 和 "CatalogSource was removed"，或在安装的 Operator 页中显示为 "CatalogSource not found"

• 在 catalog-operator pod 日志中可以看到类似如下的错误信息：

  type: 'Warning' reason: 'ResolutionFailed' constraints not satisfiable: subscription jaeger-product exists, subscription jaeger-product requires redhat-operators/openshift-marketplace/stable/jaeger-operator.v1.28.0, clusterserviceversion jaeger-operator.v1.28.0 exists and is not referenced by a subscription, redhat-operators/openshift-marketplace/stable/jaeger-operator.v1.28.0 and @existing/openshift-operators//jaeger-operator.v1.28.0 provide Jaeger (jaegertracing.io/v1)
  

  type: 'Warning' reason: 'ResolutionFailed' constraints not satisfiable: no operators found from catalog redhat-operators in namespace openshift-marketplace referenced by subscription 3scale-operator, subscription 3scale-operator exists
  

  type: 'Warning' reason: 'ResolutionFailed' constraints not satisfiable: @existing/openshift-operators//servicemeshoperator.v2.1.1 and @existing/openshift-operators//servicemeshoperator.v2.2.1 provide ServiceMeshControlPlane (maistra.io/v1), subscription servicemeshoperator requires @existing/openshift-operators//servicemeshoperator.v2.2.1, subscription servicemeshoperator exists, clusterserviceversion servicemeshoperator.v2.1.1 exists and is not referenced by a subscription
  

  type: 'Warning' reason: 'ResolutionFailed' constraints not satisfiable: @existing/openshift-operators//openshift-gitops-operator.v1.4.2, @existing/openshift-operators//openshift-gitops-operator.v1.4.3 and redhat-operators/openshift-marketplace/gitops-1.5/openshift-gitops-operator.v1.5.2 provide GitopsService (pipelines.openshift.io/v1alpha1), clusterserviceversion openshift-gitops-operator.v1.4.3 exists and is not referenced by a subscription, subscription openshift-gitops-operator exists, subscription openshift-gitops-operator requires at least one of redhat-operators/openshift-marketplace/gitops-1.5/openshift-gitops-operator.v1.5.2 or @existing/openshift-operators//openshift-gitops-operator.v1.4.2
  

  type: 'Warning' reason: 'ResolutionFailed' constraints not satisfiable: no operators found with name openshift-gitops-operator.v1.2.0 in channel gitops-1.5 of package openshift-gitops-operator in the catalog referenced by subscription openshift-gitops-operator, subscription openshift-gitops-operator exists